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Finding the Fourth Proportional to 162,497.87, 224,248.59 and 90,878.06

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Solution

The fourth proportional to 162,497.87, 224,248.59 and 90,878.06 is: 125,412.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,497.87 : 224,248.59 = 90,878.06 : x
  2. Step 2: Convert to fraction form
    162,497.87/224,248.59 = 90,878.06/x
  3. Step 3: Cross multiply
    162,497.87x = 224,248.59 × 90,878.06
  4. Step 4: Simplify right side
    162,497.87x = 20,379,275,695.69
  5. Step 5: Solve for x
    x = 20,379,275,695.69/162,497.87
  6. Step 6: Final answer
    x = 125,412.58

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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.