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Finding the Fourth Proportional to 93,547, 129,097.70 and 51,108.27

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Solution

The fourth proportional to 93,547, 129,097.70 and 51,108.27 is: 70,530.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,547 : 129,097.70 = 51,108.27 : x
  2. Step 2: Convert to fraction form
    93,547/129,097.70 = 51,108.27/x
  3. Step 3: Cross multiply
    93,547x = 129,097.70 × 51,108.27
  4. Step 4: Simplify right side
    93,547x = 6,597,960,107.98
  5. Step 5: Solve for x
    x = 6,597,960,107.98/93,547
  6. Step 6: Final answer
    x = 70,530.96

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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.