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Finding the Fourth Proportional to 137,024, 205,536.08 and 38,528

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Solution

The fourth proportional to 137,024, 205,536.08 and 38,528 is: 57,792.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,024 : 205,536.08 = 38,528 : x
  2. Step 2: Convert to fraction form
    137,024/205,536.08 = 38,528/x
  3. Step 3: Cross multiply
    137,024x = 205,536.08 × 38,528
  4. Step 4: Simplify right side
    137,024x = 7,918,894,090.24
  5. Step 5: Solve for x
    x = 7,918,894,090.24/137,024
  6. Step 6: Final answer
    x = 57,792.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.