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Finding the Fourth Proportional to 93,480.16, 140,038.80 and 83,008.48

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Solution

The fourth proportional to 93,480.16, 140,038.80 and 83,008.48 is: 124,351.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,480.16 : 140,038.80 = 83,008.48 : x
  2. Step 2: Convert to fraction form
    93,480.16/140,038.80 = 83,008.48/x
  3. Step 3: Cross multiply
    93,480.16x = 140,038.80 × 83,008.48
  4. Step 4: Simplify right side
    93,480.16x = 11,624,407,929.02
  5. Step 5: Solve for x
    x = 11,624,407,929.02/93,480.16
  6. Step 6: Final answer
    x = 124,351.60

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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.