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Finding the Fourth Proportional to 93,237.48, 139,860.06 and 48,839.40

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Solution

The fourth proportional to 93,237.48, 139,860.06 and 48,839.40 is: 73,261.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,237.48 : 139,860.06 = 48,839.40 : x
  2. Step 2: Convert to fraction form
    93,237.48/139,860.06 = 48,839.40/x
  3. Step 3: Cross multiply
    93,237.48x = 139,860.06 × 48,839.40
  4. Step 4: Simplify right side
    93,237.48x = 6,830,681,414.36
  5. Step 5: Solve for x
    x = 6,830,681,414.36/93,237.48
  6. Step 6: Final answer
    x = 73,261.11

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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.