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Finding the Fourth Proportional to 121,460.68, 167,488.56 and 104,522.38

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Solution

The fourth proportional to 121,460.68, 167,488.56 and 104,522.38 is: 144,131.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,460.68 : 167,488.56 = 104,522.38 : x
  2. Step 2: Convert to fraction form
    121,460.68/167,488.56 = 104,522.38/x
  3. Step 3: Cross multiply
    121,460.68x = 167,488.56 × 104,522.38
  4. Step 4: Simplify right side
    121,460.68x = 17,506,302,913.97
  5. Step 5: Solve for x
    x = 17,506,302,913.97/121,460.68
  6. Step 6: Final answer
    x = 144,131.44

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1.5x scale

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.