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Finding the Fourth Proportional to 268,655.91, 370,737.72 and 146,144.22

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Solution

The fourth proportional to 268,655.91, 370,737.72 and 146,144.22 is: 201,674.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,655.91 : 370,737.72 = 146,144.22 : x
  2. Step 2: Convert to fraction form
    268,655.91/370,737.72 = 146,144.22/x
  3. Step 3: Cross multiply
    268,655.91x = 370,737.72 × 146,144.22
  4. Step 4: Simplify right side
    268,655.91x = 54,181,174,913.98
  5. Step 5: Solve for x
    x = 54,181,174,913.98/268,655.91
  6. Step 6: Final answer
    x = 201,674.98

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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.