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Finding the Fourth Proportional to 104,802.08, 144,584.14 and 64,503.68

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Solution

The fourth proportional to 104,802.08, 144,584.14 and 64,503.68 is: 88,988.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,802.08 : 144,584.14 = 64,503.68 : x
  2. Step 2: Convert to fraction form
    104,802.08/144,584.14 = 64,503.68/x
  3. Step 3: Cross multiply
    104,802.08x = 144,584.14 × 64,503.68
  4. Step 4: Simplify right side
    104,802.08x = 9,326,209,099.64
  5. Step 5: Solve for x
    x = 9,326,209,099.64/104,802.08
  6. Step 6: Final answer
    x = 88,988.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.