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Finding the Fourth Proportional to 350,598.39, 525,986.01 and 97,878.66

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Solution

The fourth proportional to 350,598.39, 525,986.01 and 97,878.66 is: 146,842.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,598.39 : 525,986.01 = 97,878.66 : x
  2. Step 2: Convert to fraction form
    350,598.39/525,986.01 = 97,878.66/x
  3. Step 3: Cross multiply
    350,598.39x = 525,986.01 × 97,878.66
  4. Step 4: Simplify right side
    350,598.39x = 51,482,805,837.55
  5. Step 5: Solve for x
    x = 51,482,805,837.55/350,598.39
  6. Step 6: Final answer
    x = 146,842.68

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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.