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Finding the Fourth Proportional to 99,080.63, 148,533.45 and 75,810.95

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Solution

The fourth proportional to 99,080.63, 148,533.45 and 75,810.95 is: 113,649.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,080.63 : 148,533.45 = 75,810.95 : x
  2. Step 2: Convert to fraction form
    99,080.63/148,533.45 = 75,810.95/x
  3. Step 3: Cross multiply
    99,080.63x = 148,533.45 × 75,810.95
  4. Step 4: Simplify right side
    99,080.63x = 11,260,461,208.61
  5. Step 5: Solve for x
    x = 11,260,461,208.61/99,080.63
  6. Step 6: Final answer
    x = 113,649.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.