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Finding the Fourth Proportional to 169,908.61, 254,703.74 and 57,510.17

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Solution

The fourth proportional to 169,908.61, 254,703.74 and 57,510.17 is: 86,211.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,908.61 : 254,703.74 = 57,510.17 : x
  2. Step 2: Convert to fraction form
    169,908.61/254,703.74 = 57,510.17/x
  3. Step 3: Cross multiply
    169,908.61x = 254,703.74 × 57,510.17
  4. Step 4: Simplify right side
    169,908.61x = 14,648,055,387.04
  5. Step 5: Solve for x
    x = 14,648,055,387.04/169,908.61
  6. Step 6: Final answer
    x = 86,211.38

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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.