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Finding the Fourth Proportional to 137,265.92, 205,598.94 and 57,060.72

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Solution

The fourth proportional to 137,265.92, 205,598.94 and 57,060.72 is: 85,466.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,265.92 : 205,598.94 = 57,060.72 : x
  2. Step 2: Convert to fraction form
    137,265.92/205,598.94 = 57,060.72/x
  3. Step 3: Cross multiply
    137,265.92x = 205,598.94 × 57,060.72
  4. Step 4: Simplify right side
    137,265.92x = 11,731,623,547.64
  5. Step 5: Solve for x
    x = 11,731,623,547.64/137,265.92
  6. Step 6: Final answer
    x = 85,466.40

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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.