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Finding the Fourth Proportional to 162,539.15, 224,320.91 and 93,630.98

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Solution

The fourth proportional to 162,539.15, 224,320.91 and 93,630.98 is: 129,220.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,539.15 : 224,320.91 = 93,630.98 : x
  2. Step 2: Convert to fraction form
    162,539.15/224,320.91 = 93,630.98/x
  3. Step 3: Cross multiply
    162,539.15x = 224,320.91 × 93,630.98
  4. Step 4: Simplify right side
    162,539.15x = 21,003,386,730.44
  5. Step 5: Solve for x
    x = 21,003,386,730.44/162,539.15
  6. Step 6: Final answer
    x = 129,220.48

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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.