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Finding the Fourth Proportional to 117,159.92, 175,697.51 and 42,259.93

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Solution

The fourth proportional to 117,159.92, 175,697.51 and 42,259.93 is: 63,374.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,159.92 : 175,697.51 = 42,259.93 : x
  2. Step 2: Convert to fraction form
    117,159.92/175,697.51 = 42,259.93/x
  3. Step 3: Cross multiply
    117,159.92x = 175,697.51 × 42,259.93
  4. Step 4: Simplify right side
    117,159.92x = 7,424,963,823.23
  5. Step 5: Solve for x
    x = 7,424,963,823.23/117,159.92
  6. Step 6: Final answer
    x = 63,374.61

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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.