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Finding the Fourth Proportional to 92,159.53, 127,133.70 and 53,894.02

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Solution

The fourth proportional to 92,159.53, 127,133.70 and 53,894.02 is: 74,346.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,159.53 : 127,133.70 = 53,894.02 : x
  2. Step 2: Convert to fraction form
    92,159.53/127,133.70 = 53,894.02/x
  3. Step 3: Cross multiply
    92,159.53x = 127,133.70 × 53,894.02
  4. Step 4: Simplify right side
    92,159.53x = 6,851,746,170.47
  5. Step 5: Solve for x
    x = 6,851,746,170.47/92,159.53
  6. Step 6: Final answer
    x = 74,346.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.