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Finding the Fourth Proportional to 62,216.60, 93,324.90 and 42,258.20

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Solution

The fourth proportional to 62,216.60, 93,324.90 and 42,258.20 is: 63,387.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,216.60 : 93,324.90 = 42,258.20 : x
  2. Step 2: Convert to fraction form
    62,216.60/93,324.90 = 42,258.20/x
  3. Step 3: Cross multiply
    62,216.60x = 93,324.90 × 42,258.20
  4. Step 4: Simplify right side
    62,216.60x = 3,943,742,289.18
  5. Step 5: Solve for x
    x = 3,943,742,289.18/62,216.60
  6. Step 6: Final answer
    x = 63,387.30

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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.