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Finding the Fourth Proportional to 158,479.74, 237,719.61 and 53,298.81

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Solution

The fourth proportional to 158,479.74, 237,719.61 and 53,298.81 is: 79,948.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,479.74 : 237,719.61 = 53,298.81 : x
  2. Step 2: Convert to fraction form
    158,479.74/237,719.61 = 53,298.81/x
  3. Step 3: Cross multiply
    158,479.74x = 237,719.61 × 53,298.81
  4. Step 4: Simplify right side
    158,479.74x = 12,670,172,326.66
  5. Step 5: Solve for x
    x = 12,670,172,326.66/158,479.74
  6. Step 6: Final answer
    x = 79,948.22

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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.