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Finding the Fourth Proportional to 115,774.68, 173,717.88 and 100,810.20

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Solution

The fourth proportional to 115,774.68, 173,717.88 and 100,810.20 is: 151,263.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,774.68 : 173,717.88 = 100,810.20 : x
  2. Step 2: Convert to fraction form
    115,774.68/173,717.88 = 100,810.20/x
  3. Step 3: Cross multiply
    115,774.68x = 173,717.88 × 100,810.20
  4. Step 4: Simplify right side
    115,774.68x = 17,512,534,226.38
  5. Step 5: Solve for x
    x = 17,512,534,226.38/115,774.68
  6. Step 6: Final answer
    x = 151,263.94

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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.