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Finding the Fourth Proportional to 97,047.39, 133,894.48 and 54,597.72

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Solution

The fourth proportional to 97,047.39, 133,894.48 and 54,597.72 is: 75,327.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,047.39 : 133,894.48 = 54,597.72 : x
  2. Step 2: Convert to fraction form
    97,047.39/133,894.48 = 54,597.72/x
  3. Step 3: Cross multiply
    97,047.39x = 133,894.48 × 54,597.72
  4. Step 4: Simplify right side
    97,047.39x = 7,310,333,328.59
  5. Step 5: Solve for x
    x = 7,310,333,328.59/97,047.39
  6. Step 6: Final answer
    x = 75,327.46

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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.