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Finding the Fourth Proportional to 104,603.78, 144,434.68 and 64,336.26

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Solution

The fourth proportional to 104,603.78, 144,434.68 and 64,336.26 is: 88,834.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,603.78 : 144,434.68 = 64,336.26 : x
  2. Step 2: Convert to fraction form
    104,603.78/144,434.68 = 64,336.26/x
  3. Step 3: Cross multiply
    104,603.78x = 144,434.68 × 64,336.26
  4. Step 4: Simplify right side
    104,603.78x = 9,292,387,125.50
  5. Step 5: Solve for x
    x = 9,292,387,125.50/104,603.78
  6. Step 6: Final answer
    x = 88,834.14

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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.