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Finding the Fourth Proportional to 260,132.76, 358,983.12 and 152,702.76

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Solution

The fourth proportional to 260,132.76, 358,983.12 and 152,702.76 is: 210,729.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,132.76 : 358,983.12 = 152,702.76 : x
  2. Step 2: Convert to fraction form
    260,132.76/358,983.12 = 152,702.76/x
  3. Step 3: Cross multiply
    260,132.76x = 358,983.12 × 152,702.76
  4. Step 4: Simplify right side
    260,132.76x = 54,817,713,217.41
  5. Step 5: Solve for x
    x = 54,817,713,217.41/260,132.76
  6. Step 6: Final answer
    x = 210,729.76

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Double scale
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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.