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Finding the Fourth Proportional to 114,165.90, 157,548.72 and 63,864.90

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Solution

The fourth proportional to 114,165.90, 157,548.72 and 63,864.90 is: 88,133.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,165.90 : 157,548.72 = 63,864.90 : x
  2. Step 2: Convert to fraction form
    114,165.90/157,548.72 = 63,864.90/x
  3. Step 3: Cross multiply
    114,165.90x = 157,548.72 × 63,864.90
  4. Step 4: Simplify right side
    114,165.90x = 10,061,833,247.93
  5. Step 5: Solve for x
    x = 10,061,833,247.93/114,165.90
  6. Step 6: Final answer
    x = 88,133.44

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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.