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Finding the Fourth Proportional to 157,681.69, 217,600.93 and 101,093.06

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Solution

The fourth proportional to 157,681.69, 217,600.93 and 101,093.06 is: 139,508.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,681.69 : 217,600.93 = 101,093.06 : x
  2. Step 2: Convert to fraction form
    157,681.69/217,600.93 = 101,093.06/x
  3. Step 3: Cross multiply
    157,681.69x = 217,600.93 × 101,093.06
  4. Step 4: Simplify right side
    157,681.69x = 21,997,944,542.91
  5. Step 5: Solve for x
    x = 21,997,944,542.91/157,681.69
  6. Step 6: Final answer
    x = 139,508.56

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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.