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Finding the Fourth Proportional to 335,368.82, 502,998.55 and 98,656.14

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Solution

The fourth proportional to 335,368.82, 502,998.55 and 98,656.14 is: 147,968.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,368.82 : 502,998.55 = 98,656.14 : x
  2. Step 2: Convert to fraction form
    335,368.82/502,998.55 = 98,656.14/x
  3. Step 3: Cross multiply
    335,368.82x = 502,998.55 × 98,656.14
  4. Step 4: Simplify right side
    335,368.82x = 49,623,895,368.60
  5. Step 5: Solve for x
    x = 49,623,895,368.60/335,368.82
  6. Step 6: Final answer
    x = 147,968.12

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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.