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Finding the Fourth Proportional to 124,605.53, 171,959.52 and 70,898.28

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Solution

The fourth proportional to 124,605.53, 171,959.52 and 70,898.28 is: 97,841.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,605.53 : 171,959.52 = 70,898.28 : x
  2. Step 2: Convert to fraction form
    124,605.53/171,959.52 = 70,898.28/x
  3. Step 3: Cross multiply
    124,605.53x = 171,959.52 × 70,898.28
  4. Step 4: Simplify right side
    124,605.53x = 12,191,634,197.63
  5. Step 5: Solve for x
    x = 12,191,634,197.63/124,605.53
  6. Step 6: Final answer
    x = 97,841.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.