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Finding the Fourth Proportional to 350,140.50, 525,210.75 and 87,484.50

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Solution

The fourth proportional to 350,140.50, 525,210.75 and 87,484.50 is: 131,226.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,140.50 : 525,210.75 = 87,484.50 : x
  2. Step 2: Convert to fraction form
    350,140.50/525,210.75 = 87,484.50/x
  3. Step 3: Cross multiply
    350,140.50x = 525,210.75 × 87,484.50
  4. Step 4: Simplify right side
    350,140.50x = 45,947,799,858.38
  5. Step 5: Solve for x
    x = 45,947,799,858.38/350,140.50
  6. Step 6: Final answer
    x = 131,226.75

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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.