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Finding the Fourth Proportional to 93,549.23, 128,946.28 and 73,095.54

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Solution

The fourth proportional to 93,549.23, 128,946.28 and 73,095.54 is: 100,753.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,549.23 : 128,946.28 = 73,095.54 : x
  2. Step 2: Convert to fraction form
    93,549.23/128,946.28 = 73,095.54/x
  3. Step 3: Cross multiply
    93,549.23x = 128,946.28 × 73,095.54
  4. Step 4: Simplify right side
    93,549.23x = 9,425,397,967.59
  5. Step 5: Solve for x
    x = 9,425,397,967.59/93,549.23
  6. Step 6: Final answer
    x = 100,753.35

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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.