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Finding the Fourth Proportional to 207,089.60, 310,228.44 and 107,315.24

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Solution

The fourth proportional to 207,089.60, 310,228.44 and 107,315.24 is: 160,762.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,089.60 : 310,228.44 = 107,315.24 : x
  2. Step 2: Convert to fraction form
    207,089.60/310,228.44 = 107,315.24/x
  3. Step 3: Cross multiply
    207,089.60x = 310,228.44 × 107,315.24
  4. Step 4: Simplify right side
    207,089.60x = 33,292,240,269.00
  5. Step 5: Solve for x
    x = 33,292,240,269.00/207,089.60
  6. Step 6: Final answer
    x = 160,762.49

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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.