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Finding the Fourth Proportional to 93,562.72, 129,112.76 and 51,122.72

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Solution

The fourth proportional to 93,562.72, 129,112.76 and 51,122.72 is: 70,547.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,562.72 : 129,112.76 = 51,122.72 : x
  2. Step 2: Convert to fraction form
    93,562.72/129,112.76 = 51,122.72/x
  3. Step 3: Cross multiply
    93,562.72x = 129,112.76 × 51,122.72
  4. Step 4: Simplify right side
    93,562.72x = 6,600,595,477.91
  5. Step 5: Solve for x
    x = 6,600,595,477.91/93,562.72
  6. Step 6: Final answer
    x = 70,547.28

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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.