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Finding the Fourth Proportional to 93,192.25, 128,617.46 and 55,466.50

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Solution

The fourth proportional to 93,192.25, 128,617.46 and 55,466.50 is: 76,551.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,192.25 : 128,617.46 = 55,466.50 : x
  2. Step 2: Convert to fraction form
    93,192.25/128,617.46 = 55,466.50/x
  3. Step 3: Cross multiply
    93,192.25x = 128,617.46 × 55,466.50
  4. Step 4: Simplify right side
    93,192.25x = 7,133,960,345.09
  5. Step 5: Solve for x
    x = 7,133,960,345.09/93,192.25
  6. Step 6: Final answer
    x = 76,551.00

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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.