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Finding the Fourth Proportional to 93,492.38, 128,954.00 and 63,264.39

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Solution

The fourth proportional to 93,492.38, 128,954.00 and 63,264.39 is: 87,260.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,492.38 : 128,954.00 = 63,264.39 : x
  2. Step 2: Convert to fraction form
    93,492.38/128,954.00 = 63,264.39/x
  3. Step 3: Cross multiply
    93,492.38x = 128,954.00 × 63,264.39
  4. Step 4: Simplify right side
    93,492.38x = 8,158,195,831.74
  5. Step 5: Solve for x
    x = 8,158,195,831.74/93,492.38
  6. Step 6: Final answer
    x = 87,260.55

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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.