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Finding the Fourth Proportional to 191,510.85, 286,726.20 and 101,349.33

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Solution

The fourth proportional to 191,510.85, 286,726.20 and 101,349.33 is: 151,738.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,510.85 : 286,726.20 = 101,349.33 : x
  2. Step 2: Convert to fraction form
    191,510.85/286,726.20 = 101,349.33/x
  3. Step 3: Cross multiply
    191,510.85x = 286,726.20 × 101,349.33
  4. Step 4: Simplify right side
    191,510.85x = 29,059,508,263.45
  5. Step 5: Solve for x
    x = 29,059,508,263.45/191,510.85
  6. Step 6: Final answer
    x = 151,738.18

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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.