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Finding the Fourth Proportional to 110,777.68, 152,878.86 and 63,037.84

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Solution

The fourth proportional to 110,777.68, 152,878.86 and 63,037.84 is: 86,995.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,777.68 : 152,878.86 = 63,037.84 : x
  2. Step 2: Convert to fraction form
    110,777.68/152,878.86 = 63,037.84/x
  3. Step 3: Cross multiply
    110,777.68x = 152,878.86 × 63,037.84
  4. Step 4: Simplify right side
    110,777.68x = 9,637,153,116.06
  5. Step 5: Solve for x
    x = 9,637,153,116.06/110,777.68
  6. Step 6: Final answer
    x = 86,995.44

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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.