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Finding the Fourth Proportional to 260,335.44, 359,258.15 and 147,158.19

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Solution

The fourth proportional to 260,335.44, 359,258.15 and 147,158.19 is: 203,075.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,335.44 : 359,258.15 = 147,158.19 : x
  2. Step 2: Convert to fraction form
    260,335.44/359,258.15 = 147,158.19/x
  3. Step 3: Cross multiply
    260,335.44x = 359,258.15 × 147,158.19
  4. Step 4: Simplify right side
    260,335.44x = 52,867,779,096.75
  5. Step 5: Solve for x
    x = 52,867,779,096.75/260,335.44
  6. Step 6: Final answer
    x = 203,075.61

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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.