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Finding the Fourth Proportional to 114,020.76, 157,348.86 and 63,719.76

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Solution

The fourth proportional to 114,020.76, 157,348.86 and 63,719.76 is: 87,933.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,020.76 : 157,348.86 = 63,719.76 : x
  2. Step 2: Convert to fraction form
    114,020.76/157,348.86 = 63,719.76/x
  3. Step 3: Cross multiply
    114,020.76x = 157,348.86 × 63,719.76
  4. Step 4: Simplify right side
    114,020.76x = 10,026,231,595.47
  5. Step 5: Solve for x
    x = 10,026,231,595.47/114,020.76
  6. Step 6: Final answer
    x = 87,933.39

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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.