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Finding the Fourth Proportional to 93,063.87, 128,457.36 and 52,804.31

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Solution

The fourth proportional to 93,063.87, 128,457.36 and 52,804.31 is: 72,886.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,063.87 : 128,457.36 = 52,804.31 : x
  2. Step 2: Convert to fraction form
    93,063.87/128,457.36 = 52,804.31/x
  3. Step 3: Cross multiply
    93,063.87x = 128,457.36 × 52,804.31
  4. Step 4: Simplify right side
    93,063.87x = 6,783,101,616.93
  5. Step 5: Solve for x
    x = 6,783,101,616.93/93,063.87
  6. Step 6: Final answer
    x = 72,886.52

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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.