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Finding the Fourth Proportional to 75,551.34, 104,225.90 and 45,284.12

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Solution

The fourth proportional to 75,551.34, 104,225.90 and 45,284.12 is: 62,471.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,551.34 : 104,225.90 = 45,284.12 : x
  2. Step 2: Convert to fraction form
    75,551.34/104,225.90 = 45,284.12/x
  3. Step 3: Cross multiply
    75,551.34x = 104,225.90 × 45,284.12
  4. Step 4: Simplify right side
    75,551.34x = 4,719,778,162.71
  5. Step 5: Solve for x
    x = 4,719,778,162.71/75,551.34
  6. Step 6: Final answer
    x = 62,471.14

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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.