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Finding the Fourth Proportional to 114,374.01, 157,836.13 and 63,394.40

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Solution

The fourth proportional to 114,374.01, 157,836.13 and 63,394.40 is: 87,484.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,374.01 : 157,836.13 = 63,394.40 : x
  2. Step 2: Convert to fraction form
    114,374.01/157,836.13 = 63,394.40/x
  3. Step 3: Cross multiply
    114,374.01x = 157,836.13 × 63,394.40
  4. Step 4: Simplify right side
    114,374.01x = 10,005,926,759.67
  5. Step 5: Solve for x
    x = 10,005,926,759.67/114,374.01
  6. Step 6: Final answer
    x = 87,484.27

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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.