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Finding the Fourth Proportional to 89,097.51, 122,954.54 and 53,287.53

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Solution

The fourth proportional to 89,097.51, 122,954.54 and 53,287.53 is: 73,536.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,097.51 : 122,954.54 = 53,287.53 : x
  2. Step 2: Convert to fraction form
    89,097.51/122,954.54 = 53,287.53/x
  3. Step 3: Cross multiply
    89,097.51x = 122,954.54 × 53,287.53
  4. Step 4: Simplify right side
    89,097.51x = 6,551,943,472.45
  5. Step 5: Solve for x
    x = 6,551,943,472.45/89,097.51
  6. Step 6: Final answer
    x = 73,536.77

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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.