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Finding the Fourth Proportional to 118,457.54, 177,695.63 and 39,572.04

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Solution

The fourth proportional to 118,457.54, 177,695.63 and 39,572.04 is: 59,361.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,457.54 : 177,695.63 = 39,572.04 : x
  2. Step 2: Convert to fraction form
    118,457.54/177,695.63 = 39,572.04/x
  3. Step 3: Cross multiply
    118,457.54x = 177,695.63 × 39,572.04
  4. Step 4: Simplify right side
    118,457.54x = 7,031,778,578.19
  5. Step 5: Solve for x
    x = 7,031,778,578.19/118,457.54
  6. Step 6: Final answer
    x = 59,361.17

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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.