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Finding the Fourth Proportional to 93,244.66, 128,677.64 and 50,803.20

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Solution

The fourth proportional to 93,244.66, 128,677.64 and 50,803.20 is: 70,108.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,244.66 : 128,677.64 = 50,803.20 : x
  2. Step 2: Convert to fraction form
    93,244.66/128,677.64 = 50,803.20/x
  3. Step 3: Cross multiply
    93,244.66x = 128,677.64 × 50,803.20
  4. Step 4: Simplify right side
    93,244.66x = 6,537,235,880.45
  5. Step 5: Solve for x
    x = 6,537,235,880.45/93,244.66
  6. Step 6: Final answer
    x = 70,108.42

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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.