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Finding the Fourth Proportional to 93,053.60, 128,407.65 and 50,611.22

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Solution

The fourth proportional to 93,053.60, 128,407.65 and 50,611.22 is: 69,840.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,053.60 : 128,407.65 = 50,611.22 : x
  2. Step 2: Convert to fraction form
    93,053.60/128,407.65 = 50,611.22/x
  3. Step 3: Cross multiply
    93,053.60x = 128,407.65 × 50,611.22
  4. Step 4: Simplify right side
    93,053.60x = 6,498,867,823.83
  5. Step 5: Solve for x
    x = 6,498,867,823.83/93,053.60
  6. Step 6: Final answer
    x = 69,840.05

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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.