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Finding the Fourth Proportional to 155,237.72, 232,946.93 and 65,273.93

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Solution

The fourth proportional to 155,237.72, 232,946.93 and 65,273.93 is: 97,948.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,237.72 : 232,946.93 = 65,273.93 : x
  2. Step 2: Convert to fraction form
    155,237.72/232,946.93 = 65,273.93/x
  3. Step 3: Cross multiply
    155,237.72x = 232,946.93 × 65,273.93
  4. Step 4: Simplify right side
    155,237.72x = 15,205,360,600.99
  5. Step 5: Solve for x
    x = 15,205,360,600.99/155,237.72
  6. Step 6: Final answer
    x = 97,948.88

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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.