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Finding the Fourth Proportional to 272,006.55, 375,261.57 and 157,264.20

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Solution

The fourth proportional to 272,006.55, 375,261.57 and 157,264.20 is: 216,962.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,006.55 : 375,261.57 = 157,264.20 : x
  2. Step 2: Convert to fraction form
    272,006.55/375,261.57 = 157,264.20/x
  3. Step 3: Cross multiply
    272,006.55x = 375,261.57 × 157,264.20
  4. Step 4: Simplify right side
    272,006.55x = 59,015,210,596.79
  5. Step 5: Solve for x
    x = 59,015,210,596.79/272,006.55
  6. Step 6: Final answer
    x = 216,962.46

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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.