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Finding the Fourth Proportional to 93,473.01, 128,990.70 and 51,032.25

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Solution

The fourth proportional to 93,473.01, 128,990.70 and 51,032.25 is: 70,423.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,473.01 : 128,990.70 = 51,032.25 : x
  2. Step 2: Convert to fraction form
    93,473.01/128,990.70 = 51,032.25/x
  3. Step 3: Cross multiply
    93,473.01x = 128,990.70 × 51,032.25
  4. Step 4: Simplify right side
    93,473.01x = 6,582,685,650.08
  5. Step 5: Solve for x
    x = 6,582,685,650.08/93,473.01
  6. Step 6: Final answer
    x = 70,423.38

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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.