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Finding the Fourth Proportional to 145,950.60, 218,909.70 and 119,609.40

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Solution

The fourth proportional to 145,950.60, 218,909.70 and 119,609.40 is: 179,400.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,950.60 : 218,909.70 = 119,609.40 : x
  2. Step 2: Convert to fraction form
    145,950.60/218,909.70 = 119,609.40/x
  3. Step 3: Cross multiply
    145,950.60x = 218,909.70 × 119,609.40
  4. Step 4: Simplify right side
    145,950.60x = 26,183,657,871.18
  5. Step 5: Solve for x
    x = 26,183,657,871.18/145,950.60
  6. Step 6: Final answer
    x = 179,400.82

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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.