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Finding the Fourth Proportional to 176,553, 243,678.48 and 104,919.12

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Solution

The fourth proportional to 176,553, 243,678.48 and 104,919.12 is: 144,809.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,553 : 243,678.48 = 104,919.12 : x
  2. Step 2: Convert to fraction form
    176,553/243,678.48 = 104,919.12/x
  3. Step 3: Cross multiply
    176,553x = 243,678.48 × 104,919.12
  4. Step 4: Simplify right side
    176,553x = 25,566,531,684.54
  5. Step 5: Solve for x
    x = 25,566,531,684.54/176,553
  6. Step 6: Final answer
    x = 144,809.39

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Double scale
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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.