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Finding the Fourth Proportional to 173,357.40, 260,013.78 and 55,030.08

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Solution

The fourth proportional to 173,357.40, 260,013.78 and 55,030.08 is: 82,538.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,357.40 : 260,013.78 = 55,030.08 : x
  2. Step 2: Convert to fraction form
    173,357.40/260,013.78 = 55,030.08/x
  3. Step 3: Cross multiply
    173,357.40x = 260,013.78 × 55,030.08
  4. Step 4: Simplify right side
    173,357.40x = 14,308,579,114.50
  5. Step 5: Solve for x
    x = 14,308,579,114.50/173,357.40
  6. Step 6: Final answer
    x = 82,538.03

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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.