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Finding the Fourth Proportional to 144,222.96, 216,101.16 and 117,940.08

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Solution

The fourth proportional to 144,222.96, 216,101.16 and 117,940.08 is: 176,719.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,222.96 : 216,101.16 = 117,940.08 : x
  2. Step 2: Convert to fraction form
    144,222.96/216,101.16 = 117,940.08/x
  3. Step 3: Cross multiply
    144,222.96x = 216,101.16 × 117,940.08
  4. Step 4: Simplify right side
    144,222.96x = 25,486,988,098.49
  5. Step 5: Solve for x
    x = 25,486,988,098.49/144,222.96
  6. Step 6: Final answer
    x = 176,719.35

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1.5x scale

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.