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Finding the Fourth Proportional to 175,978.70, 242,847.44 and 99,496.48

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Solution

The fourth proportional to 175,978.70, 242,847.44 and 99,496.48 is: 137,303.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,978.70 : 242,847.44 = 99,496.48 : x
  2. Step 2: Convert to fraction form
    175,978.70/242,847.44 = 99,496.48/x
  3. Step 3: Cross multiply
    175,978.70x = 242,847.44 × 99,496.48
  4. Step 4: Simplify right side
    175,978.70x = 24,162,465,457.01
  5. Step 5: Solve for x
    x = 24,162,465,457.01/175,978.70
  6. Step 6: Final answer
    x = 137,303.35

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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.