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Finding the Fourth Proportional to 173,820.76, 239,856.06 and 138,097.24

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Solution

The fourth proportional to 173,820.76, 239,856.06 and 138,097.24 is: 190,561.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,820.76 : 239,856.06 = 138,097.24 : x
  2. Step 2: Convert to fraction form
    173,820.76/239,856.06 = 138,097.24/x
  3. Step 3: Cross multiply
    173,820.76x = 239,856.06 × 138,097.24
  4. Step 4: Simplify right side
    173,820.76x = 33,123,459,883.27
  5. Step 5: Solve for x
    x = 33,123,459,883.27/173,820.76
  6. Step 6: Final answer
    x = 190,561.01

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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.