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Finding the Fourth Proportional to 74,602.10, 111,903.15 and 62,792.30

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Solution

The fourth proportional to 74,602.10, 111,903.15 and 62,792.30 is: 94,188.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,602.10 : 111,903.15 = 62,792.30 : x
  2. Step 2: Convert to fraction form
    74,602.10/111,903.15 = 62,792.30/x
  3. Step 3: Cross multiply
    74,602.10x = 111,903.15 × 62,792.30
  4. Step 4: Simplify right side
    74,602.10x = 7,026,656,165.75
  5. Step 5: Solve for x
    x = 7,026,656,165.75/74,602.10
  6. Step 6: Final answer
    x = 94,188.45

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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.