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Finding the Fourth Proportional to 92,309.57, 127,417.48 and 56,012.66

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Solution

The fourth proportional to 92,309.57, 127,417.48 and 56,012.66 is: 77,315.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,309.57 : 127,417.48 = 56,012.66 : x
  2. Step 2: Convert to fraction form
    92,309.57/127,417.48 = 56,012.66/x
  3. Step 3: Cross multiply
    92,309.57x = 127,417.48 × 56,012.66
  4. Step 4: Simplify right side
    92,309.57x = 7,136,991,208.18
  5. Step 5: Solve for x
    x = 7,136,991,208.18/92,309.57
  6. Step 6: Final answer
    x = 77,315.84

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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.