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Finding the Fourth Proportional to 247,316.90, 370,813.35 and 97,466.90

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Solution

The fourth proportional to 247,316.90, 370,813.35 and 97,466.90 is: 146,136.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,316.90 : 370,813.35 = 97,466.90 : x
  2. Step 2: Convert to fraction form
    247,316.90/370,813.35 = 97,466.90/x
  3. Step 3: Cross multiply
    247,316.90x = 370,813.35 × 97,466.90
  4. Step 4: Simplify right side
    247,316.90x = 36,142,027,703.12
  5. Step 5: Solve for x
    x = 36,142,027,703.12/247,316.90
  6. Step 6: Final answer
    x = 146,136.51

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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.