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Finding the Fourth Proportional to 370,835.69, 556,253.51 and 134,123.00

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Solution

The fourth proportional to 370,835.69, 556,253.51 and 134,123.00 is: 201,184.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,835.69 : 556,253.51 = 134,123.00 : x
  2. Step 2: Convert to fraction form
    370,835.69/556,253.51 = 134,123.00/x
  3. Step 3: Cross multiply
    370,835.69x = 556,253.51 × 134,123.00
  4. Step 4: Simplify right side
    370,835.69x = 74,606,386,069.85
  5. Step 5: Solve for x
    x = 74,606,386,069.85/370,835.69
  6. Step 6: Final answer
    x = 201,184.48

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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.