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Finding the Fourth Proportional to 107,841.40, 161,762.10 and 37,713.40

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Solution

The fourth proportional to 107,841.40, 161,762.10 and 37,713.40 is: 56,570.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,841.40 : 161,762.10 = 37,713.40 : x
  2. Step 2: Convert to fraction form
    107,841.40/161,762.10 = 37,713.40/x
  3. Step 3: Cross multiply
    107,841.40x = 161,762.10 × 37,713.40
  4. Step 4: Simplify right side
    107,841.40x = 6,100,598,782.14
  5. Step 5: Solve for x
    x = 6,100,598,782.14/107,841.40
  6. Step 6: Final answer
    x = 56,570.10

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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.