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Finding the Fourth Proportional to 177,598.40, 266,656.80 and 72,622.40

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Solution

The fourth proportional to 177,598.40, 266,656.80 and 72,622.40 is: 109,039.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,598.40 : 266,656.80 = 72,622.40 : x
  2. Step 2: Convert to fraction form
    177,598.40/266,656.80 = 72,622.40/x
  3. Step 3: Cross multiply
    177,598.40x = 266,656.80 × 72,622.40
  4. Step 4: Simplify right side
    177,598.40x = 19,365,256,792.32
  5. Step 5: Solve for x
    x = 19,365,256,792.32/177,598.40
  6. Step 6: Final answer
    x = 109,039.59

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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.