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Finding the Fourth Proportional to 177,774.32, 266,661.48 and 71,206.67

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Solution

The fourth proportional to 177,774.32, 266,661.48 and 71,206.67 is: 106,810.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,774.32 : 266,661.48 = 71,206.67 : x
  2. Step 2: Convert to fraction form
    177,774.32/266,661.48 = 71,206.67/x
  3. Step 3: Cross multiply
    177,774.32x = 266,661.48 × 71,206.67
  4. Step 4: Simplify right side
    177,774.32x = 18,988,076,008.07
  5. Step 5: Solve for x
    x = 18,988,076,008.07/177,774.32
  6. Step 6: Final answer
    x = 106,810.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.