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Finding the Fourth Proportional to 144,023.80, 216,035.70 and 96,784.60

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Solution

The fourth proportional to 144,023.80, 216,035.70 and 96,784.60 is: 145,176.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,023.80 : 216,035.70 = 96,784.60 : x
  2. Step 2: Convert to fraction form
    144,023.80/216,035.70 = 96,784.60/x
  3. Step 3: Cross multiply
    144,023.80x = 216,035.70 × 96,784.60
  4. Step 4: Simplify right side
    144,023.80x = 20,908,928,810.22
  5. Step 5: Solve for x
    x = 20,908,928,810.22/144,023.80
  6. Step 6: Final answer
    x = 145,176.90

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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.