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Finding the Fourth Proportional to 113,602.50, 156,774.69 and 63,304.74

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Solution

The fourth proportional to 113,602.50, 156,774.69 and 63,304.74 is: 87,362.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,602.50 : 156,774.69 = 63,304.74 : x
  2. Step 2: Convert to fraction form
    113,602.50/156,774.69 = 63,304.74/x
  3. Step 3: Cross multiply
    113,602.50x = 156,774.69 × 63,304.74
  4. Step 4: Simplify right side
    113,602.50x = 9,924,580,989.03
  5. Step 5: Solve for x
    x = 9,924,580,989.03/113,602.50
  6. Step 6: Final answer
    x = 87,362.35

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1.5x scale

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.