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Finding the Fourth Proportional to 224,291.01, 309,545.60 and 137,127.26

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Solution

The fourth proportional to 224,291.01, 309,545.60 and 137,127.26 is: 189,250.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,291.01 : 309,545.60 = 137,127.26 : x
  2. Step 2: Convert to fraction form
    224,291.01/309,545.60 = 137,127.26/x
  3. Step 3: Cross multiply
    224,291.01x = 309,545.60 × 137,127.26
  4. Step 4: Simplify right side
    224,291.01x = 42,447,139,973.06
  5. Step 5: Solve for x
    x = 42,447,139,973.06/224,291.01
  6. Step 6: Final answer
    x = 189,250.30

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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.