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Finding the Fourth Proportional to 93,008.45, 128,352.56 and 50,567.88

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Solution

The fourth proportional to 93,008.45, 128,352.56 and 50,567.88 is: 69,784.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,008.45 : 128,352.56 = 50,567.88 : x
  2. Step 2: Convert to fraction form
    93,008.45/128,352.56 = 50,567.88/x
  3. Step 3: Cross multiply
    93,008.45x = 128,352.56 × 50,567.88
  4. Step 4: Simplify right side
    93,008.45x = 6,490,516,598.93
  5. Step 5: Solve for x
    x = 6,490,516,598.93/93,008.45
  6. Step 6: Final answer
    x = 69,784.16

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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.