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Finding the Fourth Proportional to 99,801.80, 149,812.05 and 62,404.10

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Solution

The fourth proportional to 99,801.80, 149,812.05 and 62,404.10 is: 93,674.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,801.80 : 149,812.05 = 62,404.10 : x
  2. Step 2: Convert to fraction form
    99,801.80/149,812.05 = 62,404.10/x
  3. Step 3: Cross multiply
    99,801.80x = 149,812.05 × 62,404.10
  4. Step 4: Simplify right side
    99,801.80x = 9,348,886,149.41
  5. Step 5: Solve for x
    x = 9,348,886,149.41/99,801.80
  6. Step 6: Final answer
    x = 93,674.52

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1.5x scale

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.