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Finding the Fourth Proportional to 145,980.59, 218,951.93 and 46,150.85

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Solution

The fourth proportional to 145,980.59, 218,951.93 and 46,150.85 is: 69,220.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,980.59 : 218,951.93 = 46,150.85 : x
  2. Step 2: Convert to fraction form
    145,980.59/218,951.93 = 46,150.85/x
  3. Step 3: Cross multiply
    145,980.59x = 218,951.93 × 46,150.85
  4. Step 4: Simplify right side
    145,980.59x = 10,104,816,353.13
  5. Step 5: Solve for x
    x = 10,104,816,353.13/145,980.59
  6. Step 6: Final answer
    x = 69,220.28

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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.