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Finding the Fourth Proportional to 93,294.45, 128,644.60 and 63,027.22

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Solution

The fourth proportional to 93,294.45, 128,644.60 and 63,027.22 is: 86,908.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,294.45 : 128,644.60 = 63,027.22 : x
  2. Step 2: Convert to fraction form
    93,294.45/128,644.60 = 63,027.22/x
  3. Step 3: Cross multiply
    93,294.45x = 128,644.60 × 63,027.22
  4. Step 4: Simplify right side
    93,294.45x = 8,108,110,547.65
  5. Step 5: Solve for x
    x = 8,108,110,547.65/93,294.45
  6. Step 6: Final answer
    x = 86,908.82

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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.