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Finding the Fourth Proportional to 153,510.67, 229,927.02 and 100,279.09

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Solution

The fourth proportional to 153,510.67, 229,927.02 and 100,279.09 is: 150,197.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,510.67 : 229,927.02 = 100,279.09 : x
  2. Step 2: Convert to fraction form
    153,510.67/229,927.02 = 100,279.09/x
  3. Step 3: Cross multiply
    153,510.67x = 229,927.02 × 100,279.09
  4. Step 4: Simplify right side
    153,510.67x = 23,056,872,332.01
  5. Step 5: Solve for x
    x = 23,056,872,332.01/153,510.67
  6. Step 6: Final answer
    x = 150,197.20

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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.