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Finding the Fourth Proportional to 176,320.01, 243,314.14 and 99,843.29

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Solution

The fourth proportional to 176,320.01, 243,314.14 and 99,843.29 is: 137,779.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,320.01 : 243,314.14 = 99,843.29 : x
  2. Step 2: Convert to fraction form
    176,320.01/243,314.14 = 99,843.29/x
  3. Step 3: Cross multiply
    176,320.01x = 243,314.14 × 99,843.29
  4. Step 4: Simplify right side
    176,320.01x = 24,293,284,241.12
  5. Step 5: Solve for x
    x = 24,293,284,241.12/176,320.01
  6. Step 6: Final answer
    x = 137,779.51

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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.