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Finding the Fourth Proportional to 162,726.76, 224,543.72 and 93,815.45

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Solution

The fourth proportional to 162,726.76, 224,543.72 and 93,815.45 is: 129,454.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,726.76 : 224,543.72 = 93,815.45 : x
  2. Step 2: Convert to fraction form
    162,726.76/224,543.72 = 93,815.45/x
  3. Step 3: Cross multiply
    162,726.76x = 224,543.72 × 93,815.45
  4. Step 4: Simplify right side
    162,726.76x = 21,065,670,136.47
  5. Step 5: Solve for x
    x = 21,065,670,136.47/162,726.76
  6. Step 6: Final answer
    x = 129,454.25

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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.