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Finding the Fourth Proportional to 304,752.18, 457,123.41 and 83,136.18

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Solution

The fourth proportional to 304,752.18, 457,123.41 and 83,136.18 is: 124,702.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,752.18 : 457,123.41 = 83,136.18 : x
  2. Step 2: Convert to fraction form
    304,752.18/457,123.41 = 83,136.18/x
  3. Step 3: Cross multiply
    304,752.18x = 457,123.41 × 83,136.18
  4. Step 4: Simplify right side
    304,752.18x = 38,003,494,095.97
  5. Step 5: Solve for x
    x = 38,003,494,095.97/304,752.18
  6. Step 6: Final answer
    x = 124,702.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.