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Finding the Fourth Proportional to 266,051.86, 367,159.35 and 145,200.91

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Solution

The fourth proportional to 266,051.86, 367,159.35 and 145,200.91 is: 200,381.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,051.86 : 367,159.35 = 145,200.91 : x
  2. Step 2: Convert to fraction form
    266,051.86/367,159.35 = 145,200.91/x
  3. Step 3: Cross multiply
    266,051.86x = 367,159.35 × 145,200.91
  4. Step 4: Simplify right side
    266,051.86x = 53,311,871,735.01
  5. Step 5: Solve for x
    x = 53,311,871,735.01/266,051.86
  6. Step 6: Final answer
    x = 200,381.50

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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.