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Finding the Fourth Proportional to 350,528.31, 525,881.03 and 97,808.63

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Solution

The fourth proportional to 350,528.31, 525,881.03 and 97,808.63 is: 146,737.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,528.31 : 525,881.03 = 97,808.63 : x
  2. Step 2: Convert to fraction form
    350,528.31/525,881.03 = 97,808.63/x
  3. Step 3: Cross multiply
    350,528.31x = 525,881.03 × 97,808.63
  4. Step 4: Simplify right side
    350,528.31x = 51,435,699,968.84
  5. Step 5: Solve for x
    x = 51,435,699,968.84/350,528.31
  6. Step 6: Final answer
    x = 146,737.65

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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.