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Finding the Fourth Proportional to 207,084.70, 310,630.93 and 64,926.82

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Solution

The fourth proportional to 207,084.70, 310,630.93 and 64,926.82 is: 97,391.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,084.70 : 310,630.93 = 64,926.82 : x
  2. Step 2: Convert to fraction form
    207,084.70/310,630.93 = 64,926.82/x
  3. Step 3: Cross multiply
    207,084.70x = 310,630.93 × 64,926.82
  4. Step 4: Simplify right side
    207,084.70x = 20,168,278,478.54
  5. Step 5: Solve for x
    x = 20,168,278,478.54/207,084.70
  6. Step 6: Final answer
    x = 97,391.45

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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.