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Finding the Fourth Proportional to 101,513.08, 140,101.14 and 61,248.58

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Solution

The fourth proportional to 101,513.08, 140,101.14 and 61,248.58 is: 84,530.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,513.08 : 140,101.14 = 61,248.58 : x
  2. Step 2: Convert to fraction form
    101,513.08/140,101.14 = 61,248.58/x
  3. Step 3: Cross multiply
    101,513.08x = 140,101.14 × 61,248.58
  4. Step 4: Simplify right side
    101,513.08x = 8,580,995,881.38
  5. Step 5: Solve for x
    x = 8,580,995,881.38/101,513.08
  6. Step 6: Final answer
    x = 84,530.94

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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.