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Finding the Fourth Proportional to 177,886.08, 266,478.48 and 144,643.68

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Solution

The fourth proportional to 177,886.08, 266,478.48 and 144,643.68 is: 216,680.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,886.08 : 266,478.48 = 144,643.68 : x
  2. Step 2: Convert to fraction form
    177,886.08/266,478.48 = 144,643.68/x
  3. Step 3: Cross multiply
    177,886.08x = 266,478.48 × 144,643.68
  4. Step 4: Simplify right side
    177,886.08x = 38,544,427,988.01
  5. Step 5: Solve for x
    x = 38,544,427,988.01/177,886.08
  6. Step 6: Final answer
    x = 216,680.41

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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.