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Finding the Fourth Proportional to 93,303.86, 128,762.82 and 53,024.45

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Solution

The fourth proportional to 93,303.86, 128,762.82 and 53,024.45 is: 73,175.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,303.86 : 128,762.82 = 53,024.45 : x
  2. Step 2: Convert to fraction form
    93,303.86/128,762.82 = 53,024.45/x
  3. Step 3: Cross multiply
    93,303.86x = 128,762.82 × 53,024.45
  4. Step 4: Simplify right side
    93,303.86x = 6,827,577,067.13
  5. Step 5: Solve for x
    x = 6,827,577,067.13/93,303.86
  6. Step 6: Final answer
    x = 73,175.72

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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.