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Finding the Fourth Proportional to 177,656.04, 266,589 and 65,415.06

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Solution

The fourth proportional to 177,656.04, 266,589 and 65,415.06 is: 98,161.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,656.04 : 266,589 = 65,415.06 : x
  2. Step 2: Convert to fraction form
    177,656.04/266,589 = 65,415.06/x
  3. Step 3: Cross multiply
    177,656.04x = 266,589 × 65,415.06
  4. Step 4: Simplify right side
    177,656.04x = 17,438,935,430.34
  5. Step 5: Solve for x
    x = 17,438,935,430.34/177,656.04
  6. Step 6: Final answer
    x = 98,161.23

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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.