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Finding the Fourth Proportional to 370,986.99, 556,490.06 and 101,117.34

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Solution

The fourth proportional to 370,986.99, 556,490.06 and 101,117.34 is: 151,678.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,986.99 : 556,490.06 = 101,117.34 : x
  2. Step 2: Convert to fraction form
    370,986.99/556,490.06 = 101,117.34/x
  3. Step 3: Cross multiply
    370,986.99x = 556,490.06 × 101,117.34
  4. Step 4: Simplify right side
    370,986.99x = 56,270,796,247.66
  5. Step 5: Solve for x
    x = 56,270,796,247.66/370,986.99
  6. Step 6: Final answer
    x = 151,678.63

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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.