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Finding the Fourth Proportional to 104,678.76, 144,453.60 and 59,360.88

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Solution

The fourth proportional to 104,678.76, 144,453.60 and 59,360.88 is: 81,916.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,678.76 : 144,453.60 = 59,360.88 : x
  2. Step 2: Convert to fraction form
    104,678.76/144,453.60 = 59,360.88/x
  3. Step 3: Cross multiply
    104,678.76x = 144,453.60 × 59,360.88
  4. Step 4: Simplify right side
    104,678.76x = 8,574,892,815.17
  5. Step 5: Solve for x
    x = 8,574,892,815.17/104,678.76
  6. Step 6: Final answer
    x = 81,916.26

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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.