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Finding the Fourth Proportional to 124,544.91, 171,875.76 and 70,837.65

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Solution

The fourth proportional to 124,544.91, 171,875.76 and 70,837.65 is: 97,758.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,544.91 : 171,875.76 = 70,837.65 : x
  2. Step 2: Convert to fraction form
    124,544.91/171,875.76 = 70,837.65/x
  3. Step 3: Cross multiply
    124,544.91x = 171,875.76 × 70,837.65
  4. Step 4: Simplify right side
    124,544.91x = 12,175,274,930.36
  5. Step 5: Solve for x
    x = 12,175,274,930.36/124,544.91
  6. Step 6: Final answer
    x = 97,758.11

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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.