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Finding the Fourth Proportional to 114,272.88, 157,681.80 and 63,971.88

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Solution

The fourth proportional to 114,272.88, 157,681.80 and 63,971.88 is: 88,272.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,272.88 : 157,681.80 = 63,971.88 : x
  2. Step 2: Convert to fraction form
    114,272.88/157,681.80 = 63,971.88/x
  3. Step 3: Cross multiply
    114,272.88x = 157,681.80 × 63,971.88
  4. Step 4: Simplify right side
    114,272.88x = 10,087,201,187.78
  5. Step 5: Solve for x
    x = 10,087,201,187.78/114,272.88
  6. Step 6: Final answer
    x = 88,272.92

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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.