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Finding the Fourth Proportional to 155,551.52, 233,330.88 and 55,718.48

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Solution

The fourth proportional to 155,551.52, 233,330.88 and 55,718.48 is: 83,579.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,551.52 : 233,330.88 = 55,718.48 : x
  2. Step 2: Convert to fraction form
    155,551.52/233,330.88 = 55,718.48/x
  3. Step 3: Cross multiply
    155,551.52x = 233,330.88 × 55,718.48
  4. Step 4: Simplify right side
    155,551.52x = 13,000,841,970.66
  5. Step 5: Solve for x
    x = 13,000,841,970.66/155,551.52
  6. Step 6: Final answer
    x = 83,579.01

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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.