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Finding the Fourth Proportional to 155,210.76, 232,952.16 and 88,784.28

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Solution

The fourth proportional to 155,210.76, 232,952.16 and 88,784.28 is: 133,254.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,210.76 : 232,952.16 = 88,784.28 : x
  2. Step 2: Convert to fraction form
    155,210.76/232,952.16 = 88,784.28/x
  3. Step 3: Cross multiply
    155,210.76x = 232,952.16 × 88,784.28
  4. Step 4: Simplify right side
    155,210.76x = 20,682,489,800.04
  5. Step 5: Solve for x
    x = 20,682,489,800.04/155,210.76
  6. Step 6: Final answer
    x = 133,254.23

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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.