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Finding the Fourth Proportional to 266,337.01, 367,555.88 and 153,159.76

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Solution

The fourth proportional to 266,337.01, 367,555.88 and 153,159.76 is: 211,366.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,337.01 : 367,555.88 = 153,159.76 : x
  2. Step 2: Convert to fraction form
    266,337.01/367,555.88 = 153,159.76/x
  3. Step 3: Cross multiply
    266,337.01x = 367,555.88 × 153,159.76
  4. Step 4: Simplify right side
    266,337.01x = 56,294,767,763.81
  5. Step 5: Solve for x
    x = 56,294,767,763.81/266,337.01
  6. Step 6: Final answer
    x = 211,366.68

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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.