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Finding the Fourth Proportional to 93,358.35, 128,829.47 and 53,066.52

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Solution

The fourth proportional to 93,358.35, 128,829.47 and 53,066.52 is: 73,228.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,358.35 : 128,829.47 = 53,066.52 : x
  2. Step 2: Convert to fraction form
    93,358.35/128,829.47 = 53,066.52/x
  3. Step 3: Cross multiply
    93,358.35x = 128,829.47 × 53,066.52
  4. Step 4: Simplify right side
    93,358.35x = 6,836,531,381.01
  5. Step 5: Solve for x
    x = 6,836,531,381.01/93,358.35
  6. Step 6: Final answer
    x = 73,228.92

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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.