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Finding the Fourth Proportional to 183,762.60, 275,572.53 and 71,427.93

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Solution

The fourth proportional to 183,762.60, 275,572.53 and 71,427.93 is: 107,114.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,762.60 : 275,572.53 = 71,427.93 : x
  2. Step 2: Convert to fraction form
    183,762.60/275,572.53 = 71,427.93/x
  3. Step 3: Cross multiply
    183,762.60x = 275,572.53 × 71,427.93
  4. Step 4: Simplify right side
    183,762.60x = 19,683,575,382.76
  5. Step 5: Solve for x
    x = 19,683,575,382.76/183,762.60
  6. Step 6: Final answer
    x = 107,114.15

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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.