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Finding the Fourth Proportional to 94,775.80, 130,798.28 and 54,502.64

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Solution

The fourth proportional to 94,775.80, 130,798.28 and 54,502.64 is: 75,218.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,775.80 : 130,798.28 = 54,502.64 : x
  2. Step 2: Convert to fraction form
    94,775.80/130,798.28 = 54,502.64/x
  3. Step 3: Cross multiply
    94,775.80x = 130,798.28 × 54,502.64
  4. Step 4: Simplify right side
    94,775.80x = 7,128,851,567.46
  5. Step 5: Solve for x
    x = 7,128,851,567.46/94,775.80
  6. Step 6: Final answer
    x = 75,218.06

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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.