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Finding the Fourth Proportional to 86,148.51, 118,895.63 and 48,422.76

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Solution

The fourth proportional to 86,148.51, 118,895.63 and 48,422.76 is: 66,829.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,148.51 : 118,895.63 = 48,422.76 : x
  2. Step 2: Convert to fraction form
    86,148.51/118,895.63 = 48,422.76/x
  3. Step 3: Cross multiply
    86,148.51x = 118,895.63 × 48,422.76
  4. Step 4: Simplify right side
    86,148.51x = 5,757,254,314.43
  5. Step 5: Solve for x
    x = 5,757,254,314.43/86,148.51
  6. Step 6: Final answer
    x = 66,829.41

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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.