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Finding the Fourth Proportional to 93,263.72, 128,699.88 and 52,977.38

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Solution

The fourth proportional to 93,263.72, 128,699.88 and 52,977.38 is: 73,106.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,263.72 : 128,699.88 = 52,977.38 : x
  2. Step 2: Convert to fraction form
    93,263.72/128,699.88 = 52,977.38/x
  3. Step 3: Cross multiply
    93,263.72x = 128,699.88 × 52,977.38
  4. Step 4: Simplify right side
    93,263.72x = 6,818,182,448.71
  5. Step 5: Solve for x
    x = 6,818,182,448.71/93,263.72
  6. Step 6: Final answer
    x = 73,106.48

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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.