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Finding the Fourth Proportional to 167,416.47, 252,275.65 and 138,482.46

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Solution

The fourth proportional to 167,416.47, 252,275.65 and 138,482.46 is: 208,675.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,416.47 : 252,275.65 = 138,482.46 : x
  2. Step 2: Convert to fraction form
    167,416.47/252,275.65 = 138,482.46/x
  3. Step 3: Cross multiply
    167,416.47x = 252,275.65 × 138,482.46
  4. Step 4: Simplify right side
    167,416.47x = 34,935,752,263.89
  5. Step 5: Solve for x
    x = 34,935,752,263.89/167,416.47
  6. Step 6: Final answer
    x = 208,675.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.