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Finding the Fourth Proportional to 93,116.68, 128,503.74 and 50,677.96

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Solution

The fourth proportional to 93,116.68, 128,503.74 and 50,677.96 is: 69,937.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,116.68 : 128,503.74 = 50,677.96 : x
  2. Step 2: Convert to fraction form
    93,116.68/128,503.74 = 50,677.96/x
  3. Step 3: Cross multiply
    93,116.68x = 128,503.74 × 50,677.96
  4. Step 4: Simplify right side
    93,116.68x = 6,512,307,395.57
  5. Step 5: Solve for x
    x = 6,512,307,395.57/93,116.68
  6. Step 6: Final answer
    x = 69,937.07

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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.