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Finding the Fourth Proportional to 260,290.80, 359,187.48 and 147,106.80

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Solution

The fourth proportional to 260,290.80, 359,187.48 and 147,106.80 is: 202,999.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,290.80 : 359,187.48 = 147,106.80 : x
  2. Step 2: Convert to fraction form
    260,290.80/359,187.48 = 147,106.80/x
  3. Step 3: Cross multiply
    260,290.80x = 359,187.48 × 147,106.80
  4. Step 4: Simplify right side
    260,290.80x = 52,838,920,782.86
  5. Step 5: Solve for x
    x = 52,838,920,782.86/260,290.80
  6. Step 6: Final answer
    x = 202,999.57

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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.