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Finding the Fourth Proportional to 114,394.14, 157,870.18 and 63,412.91

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Solution

The fourth proportional to 114,394.14, 157,870.18 and 63,412.91 is: 87,513.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,394.14 : 157,870.18 = 63,412.91 : x
  2. Step 2: Convert to fraction form
    114,394.14/157,870.18 = 63,412.91/x
  3. Step 3: Cross multiply
    114,394.14x = 157,870.18 × 63,412.91
  4. Step 4: Simplify right side
    114,394.14x = 10,011,007,397.95
  5. Step 5: Solve for x
    x = 10,011,007,397.95/114,394.14
  6. Step 6: Final answer
    x = 87,513.29

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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.