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Finding the Fourth Proportional to 93,291.04, 128,741.04 and 50,851.36

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Solution

The fourth proportional to 93,291.04, 128,741.04 and 50,851.36 is: 70,174.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,291.04 : 128,741.04 = 50,851.36 : x
  2. Step 2: Convert to fraction form
    93,291.04/128,741.04 = 50,851.36/x
  3. Step 3: Cross multiply
    93,291.04x = 128,741.04 × 50,851.36
  4. Step 4: Simplify right side
    93,291.04x = 6,546,656,971.81
  5. Step 5: Solve for x
    x = 6,546,656,971.81/93,291.04
  6. Step 6: Final answer
    x = 70,174.55

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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.