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Finding the Fourth Proportional to 98,600.10, 147,891.84 and 42,437.94

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Solution

The fourth proportional to 98,600.10, 147,891.84 and 42,437.94 is: 63,653.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,600.10 : 147,891.84 = 42,437.94 : x
  2. Step 2: Convert to fraction form
    98,600.10/147,891.84 = 42,437.94/x
  3. Step 3: Cross multiply
    98,600.10x = 147,891.84 × 42,437.94
  4. Step 4: Simplify right side
    98,600.10x = 6,276,225,032.41
  5. Step 5: Solve for x
    x = 6,276,225,032.41/98,600.10
  6. Step 6: Final answer
    x = 63,653.33

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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.