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Finding the Fourth Proportional to 334,739.84, 502,113.82 and 98,087.32

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Solution

The fourth proportional to 334,739.84, 502,113.82 and 98,087.32 is: 147,132.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,739.84 : 502,113.82 = 98,087.32 : x
  2. Step 2: Convert to fraction form
    334,739.84/502,113.82 = 98,087.32/x
  3. Step 3: Cross multiply
    334,739.84x = 502,113.82 × 98,087.32
  4. Step 4: Simplify right side
    334,739.84x = 49,250,998,938.76
  5. Step 5: Solve for x
    x = 49,250,998,938.76/334,739.84
  6. Step 6: Final answer
    x = 147,132.17

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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.