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Finding the Fourth Proportional to 157,401.20, 236,130.60 and 63,916.40

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Solution

The fourth proportional to 157,401.20, 236,130.60 and 63,916.40 is: 95,886.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,401.20 : 236,130.60 = 63,916.40 : x
  2. Step 2: Convert to fraction form
    157,401.20/236,130.60 = 63,916.40/x
  3. Step 3: Cross multiply
    157,401.20x = 236,130.60 × 63,916.40
  4. Step 4: Simplify right side
    157,401.20x = 15,092,617,881.84
  5. Step 5: Solve for x
    x = 15,092,617,881.84/157,401.20
  6. Step 6: Final answer
    x = 95,886.29

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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.