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Finding the Fourth Proportional to 74,097.96, 102,254.91 and 42,266.79

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Solution

The fourth proportional to 74,097.96, 102,254.91 and 42,266.79 is: 58,328.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,097.96 : 102,254.91 = 42,266.79 : x
  2. Step 2: Convert to fraction form
    74,097.96/102,254.91 = 42,266.79/x
  3. Step 3: Cross multiply
    74,097.96x = 102,254.91 × 42,266.79
  4. Step 4: Simplify right side
    74,097.96x = 4,321,986,807.44
  5. Step 5: Solve for x
    x = 4,321,986,807.44/74,097.96
  6. Step 6: Final answer
    x = 58,328.01

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1.5x scale

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.