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Finding the Fourth Proportional to 60,287.88, 83,176.84 and 39,071.35

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Solution

The fourth proportional to 60,287.88, 83,176.84 and 39,071.35 is: 53,905.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,287.88 : 83,176.84 = 39,071.35 : x
  2. Step 2: Convert to fraction form
    60,287.88/83,176.84 = 39,071.35/x
  3. Step 3: Cross multiply
    60,287.88x = 83,176.84 × 39,071.35
  4. Step 4: Simplify right side
    60,287.88x = 3,249,831,427.53
  5. Step 5: Solve for x
    x = 3,249,831,427.53/60,287.88
  6. Step 6: Final answer
    x = 53,905.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.