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Finding the Fourth Proportional to 260,287.55, 359,123.99 and 163,501.86

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Solution

The fourth proportional to 260,287.55, 359,123.99 and 163,501.86 is: 225,586.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,287.55 : 359,123.99 = 163,501.86 : x
  2. Step 2: Convert to fraction form
    260,287.55/359,123.99 = 163,501.86/x
  3. Step 3: Cross multiply
    260,287.55x = 359,123.99 × 163,501.86
  4. Step 4: Simplify right side
    260,287.55x = 58,717,439,518.11
  5. Step 5: Solve for x
    x = 58,717,439,518.11/260,287.55
  6. Step 6: Final answer
    x = 225,586.82

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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.