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Finding the Fourth Proportional to 155,276.52, 233,005.08 and 65,312.64

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Solution

The fourth proportional to 155,276.52, 233,005.08 and 65,312.64 is: 98,006.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,276.52 : 233,005.08 = 65,312.64 : x
  2. Step 2: Convert to fraction form
    155,276.52/233,005.08 = 65,312.64/x
  3. Step 3: Cross multiply
    155,276.52x = 233,005.08 × 65,312.64
  4. Step 4: Simplify right side
    155,276.52x = 15,218,176,908.21
  5. Step 5: Solve for x
    x = 15,218,176,908.21/155,276.52
  6. Step 6: Final answer
    x = 98,006.94

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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.