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Finding the Fourth Proportional to 92,703.24, 127,931.52 and 54,464.40

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Solution

The fourth proportional to 92,703.24, 127,931.52 and 54,464.40 is: 75,161.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,703.24 : 127,931.52 = 54,464.40 : x
  2. Step 2: Convert to fraction form
    92,703.24/127,931.52 = 54,464.40/x
  3. Step 3: Cross multiply
    92,703.24x = 127,931.52 × 54,464.40
  4. Step 4: Simplify right side
    92,703.24x = 6,967,713,477.89
  5. Step 5: Solve for x
    x = 6,967,713,477.89/92,703.24
  6. Step 6: Final answer
    x = 75,161.49

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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.