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Finding the Fourth Proportional to 338,673.08, 507,653.96 and 113,955.50

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Solution

The fourth proportional to 338,673.08, 507,653.96 and 113,955.50 is: 170,813.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,673.08 : 507,653.96 = 113,955.50 : x
  2. Step 2: Convert to fraction form
    338,673.08/507,653.96 = 113,955.50/x
  3. Step 3: Cross multiply
    338,673.08x = 507,653.96 × 113,955.50
  4. Step 4: Simplify right side
    338,673.08x = 57,849,960,838.78
  5. Step 5: Solve for x
    x = 57,849,960,838.78/338,673.08
  6. Step 6: Final answer
    x = 170,813.58

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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.