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Finding the Fourth Proportional to 162,326.47, 224,006.22 and 90,707.08

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Solution

The fourth proportional to 162,326.47, 224,006.22 and 90,707.08 is: 125,173.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,326.47 : 224,006.22 = 90,707.08 : x
  2. Step 2: Convert to fraction form
    162,326.47/224,006.22 = 90,707.08/x
  3. Step 3: Cross multiply
    162,326.47x = 224,006.22 × 90,707.08
  4. Step 4: Simplify right side
    162,326.47x = 20,318,949,224.77
  5. Step 5: Solve for x
    x = 20,318,949,224.77/162,326.47
  6. Step 6: Final answer
    x = 125,173.36

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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.