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Finding the Fourth Proportional to 173,598.76, 239,572.74 and 98,142.76

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Solution

The fourth proportional to 173,598.76, 239,572.74 and 98,142.76 is: 135,440.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,598.76 : 239,572.74 = 98,142.76 : x
  2. Step 2: Convert to fraction form
    173,598.76/239,572.74 = 98,142.76/x
  3. Step 3: Cross multiply
    173,598.76x = 239,572.74 × 98,142.76
  4. Step 4: Simplify right side
    173,598.76x = 23,512,329,924.36
  5. Step 5: Solve for x
    x = 23,512,329,924.36/173,598.76
  6. Step 6: Final answer
    x = 135,440.66

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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.