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Finding the Fourth Proportional to 178,029.51, 266,958.13 and 65,762.59

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Solution

The fourth proportional to 178,029.51, 266,958.13 and 65,762.59 is: 98,612.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,029.51 : 266,958.13 = 65,762.59 : x
  2. Step 2: Convert to fraction form
    178,029.51/266,958.13 = 65,762.59/x
  3. Step 3: Cross multiply
    178,029.51x = 266,958.13 × 65,762.59
  4. Step 4: Simplify right side
    178,029.51x = 17,555,858,050.36
  5. Step 5: Solve for x
    x = 17,555,858,050.36/178,029.51
  6. Step 6: Final answer
    x = 98,612.07

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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.