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Finding the Fourth Proportional to 97,370.64, 134,356.20 and 54,928.32

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Solution

The fourth proportional to 97,370.64, 134,356.20 and 54,928.32 is: 75,792.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,370.64 : 134,356.20 = 54,928.32 : x
  2. Step 2: Convert to fraction form
    97,370.64/134,356.20 = 54,928.32/x
  3. Step 3: Cross multiply
    97,370.64x = 134,356.20 × 54,928.32
  4. Step 4: Simplify right side
    97,370.64x = 7,379,960,347.58
  5. Step 5: Solve for x
    x = 7,379,960,347.58/97,370.64
  6. Step 6: Final answer
    x = 75,792.46

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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.