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Finding the Fourth Proportional to 117,409.80, 176,114.70 and 34,303.80

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Solution

The fourth proportional to 117,409.80, 176,114.70 and 34,303.80 is: 51,455.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,409.80 : 176,114.70 = 34,303.80 : x
  2. Step 2: Convert to fraction form
    117,409.80/176,114.70 = 34,303.80/x
  3. Step 3: Cross multiply
    117,409.80x = 176,114.70 × 34,303.80
  4. Step 4: Simplify right side
    117,409.80x = 6,041,403,445.86
  5. Step 5: Solve for x
    x = 6,041,403,445.86/117,409.80
  6. Step 6: Final answer
    x = 51,455.70

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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.