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Finding the Fourth Proportional to 93,602.39, 129,171.11 and 53,316.14

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Solution

The fourth proportional to 93,602.39, 129,171.11 and 53,316.14 is: 73,576.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,602.39 : 129,171.11 = 53,316.14 : x
  2. Step 2: Convert to fraction form
    93,602.39/129,171.11 = 53,316.14/x
  3. Step 3: Cross multiply
    93,602.39x = 129,171.11 × 53,316.14
  4. Step 4: Simplify right side
    93,602.39x = 6,886,904,072.28
  5. Step 5: Solve for x
    x = 6,886,904,072.28/93,602.39
  6. Step 6: Final answer
    x = 73,576.16

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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.