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Finding the Fourth Proportional to 94,309.68, 130,147.38 and 51,871.08

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Solution

The fourth proportional to 94,309.68, 130,147.38 and 51,871.08 is: 71,582.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,309.68 : 130,147.38 = 51,871.08 : x
  2. Step 2: Convert to fraction form
    94,309.68/130,147.38 = 51,871.08/x
  3. Step 3: Cross multiply
    94,309.68x = 130,147.38 × 51,871.08
  4. Step 4: Simplify right side
    94,309.68x = 6,750,885,159.77
  5. Step 5: Solve for x
    x = 6,750,885,159.77/94,309.68
  6. Step 6: Final answer
    x = 71,582.10

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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.