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Finding the Fourth Proportional to 93,508.96, 129,045.72 and 51,069.28

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Solution

The fourth proportional to 93,508.96, 129,045.72 and 51,069.28 is: 70,477.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,508.96 : 129,045.72 = 51,069.28 : x
  2. Step 2: Convert to fraction form
    93,508.96/129,045.72 = 51,069.28/x
  3. Step 3: Cross multiply
    93,508.96x = 129,045.72 × 51,069.28
  4. Step 4: Simplify right side
    93,508.96x = 6,590,272,007.48
  5. Step 5: Solve for x
    x = 6,590,272,007.48/93,508.96
  6. Step 6: Final answer
    x = 70,477.44

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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.