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Finding the Fourth Proportional to 124,521.93, 171,833.27 and 70,820.01

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Solution

The fourth proportional to 124,521.93, 171,833.27 and 70,820.01 is: 97,727.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,521.93 : 171,833.27 = 70,820.01 : x
  2. Step 2: Convert to fraction form
    124,521.93/171,833.27 = 70,820.01/x
  3. Step 3: Cross multiply
    124,521.93x = 171,833.27 × 70,820.01
  4. Step 4: Simplify right side
    124,521.93x = 12,169,233,545.63
  5. Step 5: Solve for x
    x = 12,169,233,545.63/124,521.93
  6. Step 6: Final answer
    x = 97,727.63

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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.