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Finding the Fourth Proportional to 167,457.60, 251,186.40 and 42,798.60

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Solution

The fourth proportional to 167,457.60, 251,186.40 and 42,798.60 is: 64,197.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,457.60 : 251,186.40 = 42,798.60 : x
  2. Step 2: Convert to fraction form
    167,457.60/251,186.40 = 42,798.60/x
  3. Step 3: Cross multiply
    167,457.60x = 251,186.40 × 42,798.60
  4. Step 4: Simplify right side
    167,457.60x = 10,750,426,259.04
  5. Step 5: Solve for x
    x = 10,750,426,259.04/167,457.60
  6. Step 6: Final answer
    x = 64,197.90

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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.