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Finding the Fourth Proportional to 93,294.87, 128,746.96 and 53,008.69

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Solution

The fourth proportional to 93,294.87, 128,746.96 and 53,008.69 is: 73,152.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,294.87 : 128,746.96 = 53,008.69 : x
  2. Step 2: Convert to fraction form
    93,294.87/128,746.96 = 53,008.69/x
  3. Step 3: Cross multiply
    93,294.87x = 128,746.96 × 53,008.69
  4. Step 4: Simplify right side
    93,294.87x = 6,824,707,719.49
  5. Step 5: Solve for x
    x = 6,824,707,719.49/93,294.87
  6. Step 6: Final answer
    x = 73,152.01

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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.