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Finding the Fourth Proportional to 113,030.40, 155,923.05 and 67,063.26

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Solution

The fourth proportional to 113,030.40, 155,923.05 and 67,063.26 is: 92,512.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,030.40 : 155,923.05 = 67,063.26 : x
  2. Step 2: Convert to fraction form
    113,030.40/155,923.05 = 67,063.26/x
  3. Step 3: Cross multiply
    113,030.40x = 155,923.05 × 67,063.26
  4. Step 4: Simplify right side
    113,030.40x = 10,456,708,042.14
  5. Step 5: Solve for x
    x = 10,456,708,042.14/113,030.40
  6. Step 6: Final answer
    x = 92,512.35

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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.