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Finding the Fourth Proportional to 70,597.14, 105,272.93 and 60,799.38

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Solution

The fourth proportional to 70,597.14, 105,272.93 and 60,799.38 is: 90,662.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,597.14 : 105,272.93 = 60,799.38 : x
  2. Step 2: Convert to fraction form
    70,597.14/105,272.93 = 60,799.38/x
  3. Step 3: Cross multiply
    70,597.14x = 105,272.93 × 60,799.38
  4. Step 4: Simplify right side
    70,597.14x = 6,400,528,570.79
  5. Step 5: Solve for x
    x = 6,400,528,570.79/70,597.14
  6. Step 6: Final answer
    x = 90,662.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.