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Finding the Fourth Proportional to 92,360.88, 127,448.76 and 56,561.04

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Solution

The fourth proportional to 92,360.88, 127,448.76 and 56,561.04 is: 78,048.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,360.88 : 127,448.76 = 56,561.04 : x
  2. Step 2: Convert to fraction form
    92,360.88/127,448.76 = 56,561.04/x
  3. Step 3: Cross multiply
    92,360.88x = 127,448.76 × 56,561.04
  4. Step 4: Simplify right side
    92,360.88x = 7,208,634,412.31
  5. Step 5: Solve for x
    x = 7,208,634,412.31/92,360.88
  6. Step 6: Final answer
    x = 78,048.57

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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.