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Finding the Fourth Proportional to 113,560.08, 156,710.88 and 63,258

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Solution

The fourth proportional to 113,560.08, 156,710.88 and 63,258 is: 87,294.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,560.08 : 156,710.88 = 63,258 : x
  2. Step 2: Convert to fraction form
    113,560.08/156,710.88 = 63,258/x
  3. Step 3: Cross multiply
    113,560.08x = 156,710.88 × 63,258
  4. Step 4: Simplify right side
    113,560.08x = 9,913,216,847.04
  5. Step 5: Solve for x
    x = 9,913,216,847.04/113,560.08
  6. Step 6: Final answer
    x = 87,294.91

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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.