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Finding the Fourth Proportional to 93,283.75, 128,683.08 and 59,233.98

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Solution

The fourth proportional to 93,283.75, 128,683.08 and 59,233.98 is: 81,712.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,283.75 : 128,683.08 = 59,233.98 : x
  2. Step 2: Convert to fraction form
    93,283.75/128,683.08 = 59,233.98/x
  3. Step 3: Cross multiply
    93,283.75x = 128,683.08 × 59,233.98
  4. Step 4: Simplify right side
    93,283.75x = 7,622,411,469.62
  5. Step 5: Solve for x
    x = 7,622,411,469.62/93,283.75
  6. Step 6: Final answer
    x = 81,712.10

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1.5x scale

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.