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Finding the Fourth Proportional to 104,612.52, 144,368.43 and 59,290.59

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Solution

The fourth proportional to 104,612.52, 144,368.43 and 59,290.59 is: 81,822.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,612.52 : 144,368.43 = 59,290.59 : x
  2. Step 2: Convert to fraction form
    104,612.52/144,368.43 = 59,290.59/x
  3. Step 3: Cross multiply
    104,612.52x = 144,368.43 × 59,290.59
  4. Step 4: Simplify right side
    104,612.52x = 8,559,689,392.07
  5. Step 5: Solve for x
    x = 8,559,689,392.07/104,612.52
  6. Step 6: Final answer
    x = 81,822.80

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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.