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Finding the Fourth Proportional to 114,177.88, 157,716.08 and 87,648.22

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Solution

The fourth proportional to 114,177.88, 157,716.08 and 87,648.22 is: 121,070.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,177.88 : 157,716.08 = 87,648.22 : x
  2. Step 2: Convert to fraction form
    114,177.88/157,716.08 = 87,648.22/x
  3. Step 3: Cross multiply
    114,177.88x = 157,716.08 × 87,648.22
  4. Step 4: Simplify right side
    114,177.88x = 13,823,533,677.38
  5. Step 5: Solve for x
    x = 13,823,533,677.38/114,177.88
  6. Step 6: Final answer
    x = 121,070.16

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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.