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Finding the Fourth Proportional to 266,760.95, 368,124.93 and 145,901.88

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Solution

The fourth proportional to 266,760.95, 368,124.93 and 145,901.88 is: 201,341.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,760.95 : 368,124.93 = 145,901.88 : x
  2. Step 2: Convert to fraction form
    266,760.95/368,124.93 = 145,901.88/x
  3. Step 3: Cross multiply
    266,760.95x = 368,124.93 × 145,901.88
  4. Step 4: Simplify right side
    266,760.95x = 53,710,119,361.87
  5. Step 5: Solve for x
    x = 53,710,119,361.87/266,760.95
  6. Step 6: Final answer
    x = 201,341.76

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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.