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Finding the Fourth Proportional to 93,340, 128,804.52 and 53,048.44

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Solution

The fourth proportional to 93,340, 128,804.52 and 53,048.44 is: 73,204.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,340 : 128,804.52 = 53,048.44 : x
  2. Step 2: Convert to fraction form
    93,340/128,804.52 = 53,048.44/x
  3. Step 3: Cross multiply
    93,340x = 128,804.52 × 53,048.44
  4. Step 4: Simplify right side
    93,340x = 6,832,878,850.95
  5. Step 5: Solve for x
    x = 6,832,878,850.95/93,340
  6. Step 6: Final answer
    x = 73,204.19

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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.