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Finding the Fourth Proportional to 173,655.59, 239,638.16 and 98,205.71

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Solution

The fourth proportional to 173,655.59, 239,638.16 and 98,205.71 is: 135,520.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,655.59 : 239,638.16 = 98,205.71 : x
  2. Step 2: Convert to fraction form
    173,655.59/239,638.16 = 98,205.71/x
  3. Step 3: Cross multiply
    173,655.59x = 239,638.16 × 98,205.71
  4. Step 4: Simplify right side
    173,655.59x = 23,533,834,693.22
  5. Step 5: Solve for x
    x = 23,533,834,693.22/173,655.59
  6. Step 6: Final answer
    x = 135,520.17

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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.