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Finding the Fourth Proportional to 94,312.40, 130,150.08 and 51,871.52

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Solution

The fourth proportional to 94,312.40, 130,150.08 and 51,871.52 is: 71,582.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,312.40 : 130,150.08 = 51,871.52 : x
  2. Step 2: Convert to fraction form
    94,312.40/130,150.08 = 51,871.52/x
  3. Step 3: Cross multiply
    94,312.40x = 130,150.08 × 51,871.52
  4. Step 4: Simplify right side
    94,312.40x = 6,751,082,477.72
  5. Step 5: Solve for x
    x = 6,751,082,477.72/94,312.40
  6. Step 6: Final answer
    x = 71,582.13

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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.