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Finding the Fourth Proportional to 93,054.04, 128,402.92 and 62,904.96

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Solution

The fourth proportional to 93,054.04, 128,402.92 and 62,904.96 is: 86,800.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,054.04 : 128,402.92 = 62,904.96 : x
  2. Step 2: Convert to fraction form
    93,054.04/128,402.92 = 62,904.96/x
  3. Step 3: Cross multiply
    93,054.04x = 128,402.92 × 62,904.96
  4. Step 4: Simplify right side
    93,054.04x = 8,077,180,546.48
  5. Step 5: Solve for x
    x = 8,077,180,546.48/93,054.04
  6. Step 6: Final answer
    x = 86,800.97

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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.