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Finding the Fourth Proportional to 98,360.94, 147,541.08 and 42,164.58

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Solution

The fourth proportional to 98,360.94, 147,541.08 and 42,164.58 is: 63,246.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,360.94 : 147,541.08 = 42,164.58 : x
  2. Step 2: Convert to fraction form
    98,360.94/147,541.08 = 42,164.58/x
  3. Step 3: Cross multiply
    98,360.94x = 147,541.08 × 42,164.58
  4. Step 4: Simplify right side
    98,360.94x = 6,221,007,670.95
  5. Step 5: Solve for x
    x = 6,221,007,670.95/98,360.94
  6. Step 6: Final answer
    x = 63,246.73

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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.