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Finding the Fourth Proportional to 114,491.18, 158,005.80 and 63,508.76

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Solution

The fourth proportional to 114,491.18, 158,005.80 and 63,508.76 is: 87,646.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,491.18 : 158,005.80 = 63,508.76 : x
  2. Step 2: Convert to fraction form
    114,491.18/158,005.80 = 63,508.76/x
  3. Step 3: Cross multiply
    114,491.18x = 158,005.80 × 63,508.76
  4. Step 4: Simplify right side
    114,491.18x = 10,034,752,430.81
  5. Step 5: Solve for x
    x = 10,034,752,430.81/114,491.18
  6. Step 6: Final answer
    x = 87,646.51

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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.