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Finding the Fourth Proportional to 92,637.83, 127,790.90 and 56,350.37

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Solution

The fourth proportional to 92,637.83, 127,790.90 and 56,350.37 is: 77,733.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,637.83 : 127,790.90 = 56,350.37 : x
  2. Step 2: Convert to fraction form
    92,637.83/127,790.90 = 56,350.37/x
  3. Step 3: Cross multiply
    92,637.83x = 127,790.90 × 56,350.37
  4. Step 4: Simplify right side
    92,637.83x = 7,201,064,746.67
  5. Step 5: Solve for x
    x = 7,201,064,746.67/92,637.83
  6. Step 6: Final answer
    x = 77,733.52

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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.