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Finding the Fourth Proportional to 93,293.16, 128,745.84 and 50,851.60

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Solution

The fourth proportional to 93,293.16, 128,745.84 and 50,851.60 is: 70,175.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,293.16 : 128,745.84 = 50,851.60 : x
  2. Step 2: Convert to fraction form
    93,293.16/128,745.84 = 50,851.60/x
  3. Step 3: Cross multiply
    93,293.16x = 128,745.84 × 50,851.60
  4. Step 4: Simplify right side
    93,293.16x = 6,546,931,957.34
  5. Step 5: Solve for x
    x = 6,546,931,957.34/93,293.16
  6. Step 6: Final answer
    x = 70,175.91

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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.