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Finding the Fourth Proportional to 172,211.74, 237,655.02 and 94,690.66

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Solution

The fourth proportional to 172,211.74, 237,655.02 and 94,690.66 is: 130,674.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,211.74 : 237,655.02 = 94,690.66 : x
  2. Step 2: Convert to fraction form
    172,211.74/237,655.02 = 94,690.66/x
  3. Step 3: Cross multiply
    172,211.74x = 237,655.02 × 94,690.66
  4. Step 4: Simplify right side
    172,211.74x = 22,503,710,696.11
  5. Step 5: Solve for x
    x = 22,503,710,696.11/172,211.74
  6. Step 6: Final answer
    x = 130,674.66

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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.