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Finding the Fourth Proportional to 96,309.20, 144,636.60 and 70,043.60

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Solution

The fourth proportional to 96,309.20, 144,636.60 and 70,043.60 is: 105,191.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,309.20 : 144,636.60 = 70,043.60 : x
  2. Step 2: Convert to fraction form
    96,309.20/144,636.60 = 70,043.60/x
  3. Step 3: Cross multiply
    96,309.20x = 144,636.60 × 70,043.60
  4. Step 4: Simplify right side
    96,309.20x = 10,130,868,155.76
  5. Step 5: Solve for x
    x = 10,130,868,155.76/96,309.20
  6. Step 6: Final answer
    x = 105,191.07

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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.