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Finding the Fourth Proportional to 174,713.60, 261,681.60 and 143,609.60

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Solution

The fourth proportional to 174,713.60, 261,681.60 and 143,609.60 is: 215,094.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,713.60 : 261,681.60 = 143,609.60 : x
  2. Step 2: Convert to fraction form
    174,713.60/261,681.60 = 143,609.60/x
  3. Step 3: Cross multiply
    174,713.60x = 261,681.60 × 143,609.60
  4. Step 4: Simplify right side
    174,713.60x = 37,579,989,903.36
  5. Step 5: Solve for x
    x = 37,579,989,903.36/174,713.60
  6. Step 6: Final answer
    x = 215,094.82

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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.