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Finding the Fourth Proportional to 93,199.32, 128,613.96 and 52,914.24

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Solution

The fourth proportional to 93,199.32, 128,613.96 and 52,914.24 is: 73,021.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,199.32 : 128,613.96 = 52,914.24 : x
  2. Step 2: Convert to fraction form
    93,199.32/128,613.96 = 52,914.24/x
  3. Step 3: Cross multiply
    93,199.32x = 128,613.96 × 52,914.24
  4. Step 4: Simplify right side
    93,199.32x = 6,805,509,946.79
  5. Step 5: Solve for x
    x = 6,805,509,946.79/93,199.32
  6. Step 6: Final answer
    x = 73,021.03

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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.