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Finding the Fourth Proportional to 98,483.30, 147,762.17 and 38,554.60

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Solution

The fourth proportional to 98,483.30, 147,762.17 and 38,554.60 is: 57,846.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,483.30 : 147,762.17 = 38,554.60 : x
  2. Step 2: Convert to fraction form
    98,483.30/147,762.17 = 38,554.60/x
  3. Step 3: Cross multiply
    98,483.30x = 147,762.17 × 38,554.60
  4. Step 4: Simplify right side
    98,483.30x = 5,696,911,359.48
  5. Step 5: Solve for x
    x = 5,696,911,359.48/98,483.30
  6. Step 6: Final answer
    x = 57,846.47

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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.