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Finding the Fourth Proportional to 103,352.78, 155,045.40 and 44,188.76

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Solution

The fourth proportional to 103,352.78, 155,045.40 and 44,188.76 is: 66,290.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,352.78 : 155,045.40 = 44,188.76 : x
  2. Step 2: Convert to fraction form
    103,352.78/155,045.40 = 44,188.76/x
  3. Step 3: Cross multiply
    103,352.78x = 155,045.40 × 44,188.76
  4. Step 4: Simplify right side
    103,352.78x = 6,851,263,969.70
  5. Step 5: Solve for x
    x = 6,851,263,969.70/103,352.78
  6. Step 6: Final answer
    x = 66,290.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.