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Finding the Fourth Proportional to 162,333.68, 224,019.95 and 90,713.68

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Solution

The fourth proportional to 162,333.68, 224,019.95 and 90,713.68 is: 125,184.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,333.68 : 224,019.95 = 90,713.68 : x
  2. Step 2: Convert to fraction form
    162,333.68/224,019.95 = 90,713.68/x
  3. Step 3: Cross multiply
    162,333.68x = 224,019.95 × 90,713.68
  4. Step 4: Simplify right side
    162,333.68x = 20,321,673,044.30
  5. Step 5: Solve for x
    x = 20,321,673,044.30/162,333.68
  6. Step 6: Final answer
    x = 125,184.58

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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.