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Finding the Fourth Proportional to 93,085.85, 139,575.88 and 63,539.45

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Solution

The fourth proportional to 93,085.85, 139,575.88 and 63,539.45 is: 95,273.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,085.85 : 139,575.88 = 63,539.45 : x
  2. Step 2: Convert to fraction form
    93,085.85/139,575.88 = 63,539.45/x
  3. Step 3: Cross multiply
    93,085.85x = 139,575.88 × 63,539.45
  4. Step 4: Simplify right side
    93,085.85x = 8,868,574,648.47
  5. Step 5: Solve for x
    x = 8,868,574,648.47/93,085.85
  6. Step 6: Final answer
    x = 95,273.07

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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.