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Finding the Fourth Proportional to 107,503.80, 161,303.70 and 37,433.40

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Solution

The fourth proportional to 107,503.80, 161,303.70 and 37,433.40 is: 56,166.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,503.80 : 161,303.70 = 37,433.40 : x
  2. Step 2: Convert to fraction form
    107,503.80/161,303.70 = 37,433.40/x
  3. Step 3: Cross multiply
    107,503.80x = 161,303.70 × 37,433.40
  4. Step 4: Simplify right side
    107,503.80x = 6,038,145,923.58
  5. Step 5: Solve for x
    x = 6,038,145,923.58/107,503.80
  6. Step 6: Final answer
    x = 56,166.81

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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.