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Finding the Fourth Proportional to 112,974,482.80, 169,461,724.20 and 112,974,482.80

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Solution

The fourth proportional to 112,974,482.80, 169,461,724.20 and 112,974,482.80 is: 169,461,724.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,974,482.80 : 169,461,724.20 = 112,974,482.80 : x
  2. Step 2: Convert to fraction form
    112,974,482.80/169,461,724.20 = 112,974,482.80/x
  3. Step 3: Cross multiply
    112,974,482.80x = 169,461,724.20 × 112,974,482.80
  4. Step 4: Simplify right side
    112,974,482.80x = 19,144,850,645,891,240
  5. Step 5: Solve for x
    x = 19,144,850,645,891,240/112,974,482.80
  6. Step 6: Final answer
    x = 169,461,724.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.