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Finding the Fourth Proportional to 169,484.08, 253,007.66 and 157,180.72

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Solution

The fourth proportional to 169,484.08, 253,007.66 and 157,180.72 is: 234,641.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,484.08 : 253,007.66 = 157,180.72 : x
  2. Step 2: Convert to fraction form
    169,484.08/253,007.66 = 157,180.72/x
  3. Step 3: Cross multiply
    169,484.08x = 253,007.66 × 157,180.72
  4. Step 4: Simplify right side
    169,484.08x = 39,767,926,164.32
  5. Step 5: Solve for x
    x = 39,767,926,164.32/169,484.08
  6. Step 6: Final answer
    x = 234,641.07

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.