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Finding the Fourth Proportional to 93,336.72, 128,801.90 and 53,054.88

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Solution

The fourth proportional to 93,336.72, 128,801.90 and 53,054.88 is: 73,214.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,336.72 : 128,801.90 = 53,054.88 : x
  2. Step 2: Convert to fraction form
    93,336.72/128,801.90 = 53,054.88/x
  3. Step 3: Cross multiply
    93,336.72x = 128,801.90 × 53,054.88
  4. Step 4: Simplify right side
    93,336.72x = 6,833,569,348.27
  5. Step 5: Solve for x
    x = 6,833,569,348.27/93,336.72
  6. Step 6: Final answer
    x = 73,214.16

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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.