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Finding the Fourth Proportional to 134,665.60, 201,998.40 and 64,508.80

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Solution

The fourth proportional to 134,665.60, 201,998.40 and 64,508.80 is: 96,763.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,665.60 : 201,998.40 = 64,508.80 : x
  2. Step 2: Convert to fraction form
    134,665.60/201,998.40 = 64,508.80/x
  3. Step 3: Cross multiply
    134,665.60x = 201,998.40 × 64,508.80
  4. Step 4: Simplify right side
    134,665.60x = 13,030,674,385.92
  5. Step 5: Solve for x
    x = 13,030,674,385.92/134,665.60
  6. Step 6: Final answer
    x = 96,763.20

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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.