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Finding the Fourth Proportional to 124,482.65, 171,800.57 and 70,775.71

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Solution

The fourth proportional to 124,482.65, 171,800.57 and 70,775.71 is: 97,678.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,482.65 : 171,800.57 = 70,775.71 : x
  2. Step 2: Convert to fraction form
    124,482.65/171,800.57 = 70,775.71/x
  3. Step 3: Cross multiply
    124,482.65x = 171,800.57 × 70,775.71
  4. Step 4: Simplify right side
    124,482.65x = 12,159,307,067.59
  5. Step 5: Solve for x
    x = 12,159,307,067.59/124,482.65
  6. Step 6: Final answer
    x = 97,678.73

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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.