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Finding the Fourth Proportional to 151,373.71, 208,900.92 and 83,395.27

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Solution

The fourth proportional to 151,373.71, 208,900.92 and 83,395.27 is: 115,088.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,373.71 : 208,900.92 = 83,395.27 : x
  2. Step 2: Convert to fraction form
    151,373.71/208,900.92 = 83,395.27/x
  3. Step 3: Cross multiply
    151,373.71x = 208,900.92 × 83,395.27
  4. Step 4: Simplify right side
    151,373.71x = 17,421,348,626.65
  5. Step 5: Solve for x
    x = 17,421,348,626.65/151,373.71
  6. Step 6: Final answer
    x = 115,088.34

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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.