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Finding the Fourth Proportional to 250,084.64, 375,197.19 and 100,430.01

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Solution

The fourth proportional to 250,084.64, 375,197.19 and 100,430.01 is: 150,673.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,084.64 : 375,197.19 = 100,430.01 : x
  2. Step 2: Convert to fraction form
    250,084.64/375,197.19 = 100,430.01/x
  3. Step 3: Cross multiply
    250,084.64x = 375,197.19 × 100,430.01
  4. Step 4: Simplify right side
    250,084.64x = 37,681,057,543.67
  5. Step 5: Solve for x
    x = 37,681,057,543.67/250,084.64
  6. Step 6: Final answer
    x = 150,673.22

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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.