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Finding the Fourth Proportional to 83,030.31, 114,584.36 and 47,225.48

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Solution

The fourth proportional to 83,030.31, 114,584.36 and 47,225.48 is: 65,172.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,030.31 : 114,584.36 = 47,225.48 : x
  2. Step 2: Convert to fraction form
    83,030.31/114,584.36 = 47,225.48/x
  3. Step 3: Cross multiply
    83,030.31x = 114,584.36 × 47,225.48
  4. Step 4: Simplify right side
    83,030.31x = 5,411,301,401.49
  5. Step 5: Solve for x
    x = 5,411,301,401.49/83,030.31
  6. Step 6: Final answer
    x = 65,172.60

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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.