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Finding the Fourth Proportional to 115,457.42, 173,051.66 and 48,875.42

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Solution

The fourth proportional to 115,457.42, 173,051.66 and 48,875.42 is: 73,256.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,457.42 : 173,051.66 = 48,875.42 : x
  2. Step 2: Convert to fraction form
    115,457.42/173,051.66 = 48,875.42/x
  3. Step 3: Cross multiply
    115,457.42x = 173,051.66 × 48,875.42
  4. Step 4: Simplify right side
    115,457.42x = 8,457,972,564.20
  5. Step 5: Solve for x
    x = 8,457,972,564.20/115,457.42
  6. Step 6: Final answer
    x = 73,256.21

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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.