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Finding the Fourth Proportional to 120,737.40, 164,482.80 and 120,737.40

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Solution

The fourth proportional to 120,737.40, 164,482.80 and 120,737.40 is: 164,482.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,737.40 : 164,482.80 = 120,737.40 : x
  2. Step 2: Convert to fraction form
    120,737.40/164,482.80 = 120,737.40/x
  3. Step 3: Cross multiply
    120,737.40x = 164,482.80 × 120,737.40
  4. Step 4: Simplify right side
    120,737.40x = 19,859,225,616.72
  5. Step 5: Solve for x
    x = 19,859,225,616.72/120,737.40
  6. Step 6: Final answer
    x = 164,482.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.