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Finding the Fourth Proportional to 92,045.44, 127,032.32 and 56,259.28

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Solution

The fourth proportional to 92,045.44, 127,032.32 and 56,259.28 is: 77,643.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,045.44 : 127,032.32 = 56,259.28 : x
  2. Step 2: Convert to fraction form
    92,045.44/127,032.32 = 56,259.28/x
  3. Step 3: Cross multiply
    92,045.44x = 127,032.32 × 56,259.28
  4. Step 4: Simplify right side
    92,045.44x = 7,146,746,859.93
  5. Step 5: Solve for x
    x = 7,146,746,859.93/92,045.44
  6. Step 6: Final answer
    x = 77,643.68

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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.