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Finding the Fourth Proportional to 62,214.60, 93,321.90 and 42,256.20

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Solution

The fourth proportional to 62,214.60, 93,321.90 and 42,256.20 is: 63,384.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,214.60 : 93,321.90 = 42,256.20 : x
  2. Step 2: Convert to fraction form
    62,214.60/93,321.90 = 42,256.20/x
  3. Step 3: Cross multiply
    62,214.60x = 93,321.90 × 42,256.20
  4. Step 4: Simplify right side
    62,214.60x = 3,943,428,870.78
  5. Step 5: Solve for x
    x = 3,943,428,870.78/62,214.60
  6. Step 6: Final answer
    x = 63,384.30

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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.