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Finding the Fourth Proportional to 106,882.61, 147,455.15 and 61,536.29

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Solution

The fourth proportional to 106,882.61, 147,455.15 and 61,536.29 is: 84,895.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,882.61 : 147,455.15 = 61,536.29 : x
  2. Step 2: Convert to fraction form
    106,882.61/147,455.15 = 61,536.29/x
  3. Step 3: Cross multiply
    106,882.61x = 147,455.15 × 61,536.29
  4. Step 4: Simplify right side
    106,882.61x = 9,073,841,827.44
  5. Step 5: Solve for x
    x = 9,073,841,827.44/106,882.61
  6. Step 6: Final answer
    x = 84,895.40

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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.