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Finding the Fourth Proportional to 350,140.32, 525,152.16 and 125,452.80

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Solution

The fourth proportional to 350,140.32, 525,152.16 and 125,452.80 is: 188,158.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,140.32 : 525,152.16 = 125,452.80 : x
  2. Step 2: Convert to fraction form
    350,140.32/525,152.16 = 125,452.80/x
  3. Step 3: Cross multiply
    350,140.32x = 525,152.16 × 125,452.80
  4. Step 4: Simplify right side
    350,140.32x = 65,881,808,898.05
  5. Step 5: Solve for x
    x = 65,881,808,898.05/350,140.32
  6. Step 6: Final answer
    x = 188,158.30

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1.5x scale

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.