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Finding the Fourth Proportional to 152,338.63, 210,114.03 and 98,582.17

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Solution

The fourth proportional to 152,338.63, 210,114.03 and 98,582.17 is: 135,970.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,338.63 : 210,114.03 = 98,582.17 : x
  2. Step 2: Convert to fraction form
    152,338.63/210,114.03 = 98,582.17/x
  3. Step 3: Cross multiply
    152,338.63x = 210,114.03 × 98,582.17
  4. Step 4: Simplify right side
    152,338.63x = 20,713,497,024.85
  5. Step 5: Solve for x
    x = 20,713,497,024.85/152,338.63
  6. Step 6: Final answer
    x = 135,970.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.