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Finding the Fourth Proportional to 97,054.80, 133,934.76 and 54,612.48

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Solution

The fourth proportional to 97,054.80, 133,934.76 and 54,612.48 is: 75,364.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,054.80 : 133,934.76 = 54,612.48 : x
  2. Step 2: Convert to fraction form
    97,054.80/133,934.76 = 54,612.48/x
  3. Step 3: Cross multiply
    97,054.80x = 133,934.76 × 54,612.48
  4. Step 4: Simplify right side
    97,054.80x = 7,314,509,401.80
  5. Step 5: Solve for x
    x = 7,314,509,401.80/97,054.80
  6. Step 6: Final answer
    x = 75,364.74

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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.