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Finding the Fourth Proportional to 114,881.66, 172,389.93 and 48,316.67

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Solution

The fourth proportional to 114,881.66, 172,389.93 and 48,316.67 is: 72,503.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,881.66 : 172,389.93 = 48,316.67 : x
  2. Step 2: Convert to fraction form
    114,881.66/172,389.93 = 48,316.67/x
  3. Step 3: Cross multiply
    114,881.66x = 172,389.93 × 48,316.67
  4. Step 4: Simplify right side
    114,881.66x = 8,329,307,608.92
  5. Step 5: Solve for x
    x = 8,329,307,608.92/114,881.66
  6. Step 6: Final answer
    x = 72,503.37

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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.