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Finding the Fourth Proportional to 70,806.16, 97,701.06 and 40,585.93

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Solution

The fourth proportional to 70,806.16, 97,701.06 and 40,585.93 is: 56,002.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,806.16 : 97,701.06 = 40,585.93 : x
  2. Step 2: Convert to fraction form
    70,806.16/97,701.06 = 40,585.93/x
  3. Step 3: Cross multiply
    70,806.16x = 97,701.06 × 40,585.93
  4. Step 4: Simplify right side
    70,806.16x = 3,965,288,290.03
  5. Step 5: Solve for x
    x = 3,965,288,290.03/70,806.16
  6. Step 6: Final answer
    x = 56,002.02

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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.