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Finding the Fourth Proportional to 157,423.40, 236,192.70 and 63,938.60

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Solution

The fourth proportional to 157,423.40, 236,192.70 and 63,938.60 is: 95,931.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,423.40 : 236,192.70 = 63,938.60 : x
  2. Step 2: Convert to fraction form
    157,423.40/236,192.70 = 63,938.60/x
  3. Step 3: Cross multiply
    157,423.40x = 236,192.70 × 63,938.60
  4. Step 4: Simplify right side
    157,423.40x = 15,101,830,568.22
  5. Step 5: Solve for x
    x = 15,101,830,568.22/157,423.40
  6. Step 6: Final answer
    x = 95,931.29

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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.