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Finding the Fourth Proportional to 93,477.44, 129,001.92 and 51,039.20

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Solution

The fourth proportional to 93,477.44, 129,001.92 and 51,039.20 is: 70,435.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,477.44 : 129,001.92 = 51,039.20 : x
  2. Step 2: Convert to fraction form
    93,477.44/129,001.92 = 51,039.20/x
  3. Step 3: Cross multiply
    93,477.44x = 129,001.92 × 51,039.20
  4. Step 4: Simplify right side
    93,477.44x = 6,584,154,795.26
  5. Step 5: Solve for x
    x = 6,584,154,795.26/93,477.44
  6. Step 6: Final answer
    x = 70,435.76

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1.5x scale

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.