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Finding the Fourth Proportional to 176,290.76, 243,256.75 and 103,696.94

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Solution

The fourth proportional to 176,290.76, 243,256.75 and 103,696.94 is: 143,087.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,290.76 : 243,256.75 = 103,696.94 : x
  2. Step 2: Convert to fraction form
    176,290.76/243,256.75 = 103,696.94/x
  3. Step 3: Cross multiply
    176,290.76x = 243,256.75 × 103,696.94
  4. Step 4: Simplify right side
    176,290.76x = 25,224,980,609.35
  5. Step 5: Solve for x
    x = 25,224,980,609.35/176,290.76
  6. Step 6: Final answer
    x = 143,087.37

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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.