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Finding the Fourth Proportional to 272,555.16, 376,134.48 and 151,703.16

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Solution

The fourth proportional to 272,555.16, 376,134.48 and 151,703.16 is: 209,355.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,555.16 : 376,134.48 = 151,703.16 : x
  2. Step 2: Convert to fraction form
    272,555.16/376,134.48 = 151,703.16/x
  3. Step 3: Cross multiply
    272,555.16x = 376,134.48 × 151,703.16
  4. Step 4: Simplify right side
    272,555.16x = 57,060,789,200.96
  5. Step 5: Solve for x
    x = 57,060,789,200.96/272,555.16
  6. Step 6: Final answer
    x = 209,355.01

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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.