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Finding the Fourth Proportional to 114,358.38, 157,799.79 and 64,057.38

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Solution

The fourth proportional to 114,358.38, 157,799.79 and 64,057.38 is: 88,390.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,358.38 : 157,799.79 = 64,057.38 : x
  2. Step 2: Convert to fraction form
    114,358.38/157,799.79 = 64,057.38/x
  3. Step 3: Cross multiply
    114,358.38x = 157,799.79 × 64,057.38
  4. Step 4: Simplify right side
    114,358.38x = 10,108,241,111.95
  5. Step 5: Solve for x
    x = 10,108,241,111.95/114,358.38
  6. Step 6: Final answer
    x = 88,390.91

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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.