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Finding the Fourth Proportional to 272,002.55, 375,256.07 and 157,260.18

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Solution

The fourth proportional to 272,002.55, 375,256.07 and 157,260.18 is: 216,956.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,002.55 : 375,256.07 = 157,260.18 : x
  2. Step 2: Convert to fraction form
    272,002.55/375,256.07 = 157,260.18/x
  3. Step 3: Cross multiply
    272,002.55x = 375,256.07 × 157,260.18
  4. Step 4: Simplify right side
    272,002.55x = 59,012,837,114.29
  5. Step 5: Solve for x
    x = 59,012,837,114.29/272,002.55
  6. Step 6: Final answer
    x = 216,956.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.