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Finding the Fourth Proportional to 93,466.53, 128,980.17 and 51,025.41

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Solution

The fourth proportional to 93,466.53, 128,980.17 and 51,025.41 is: 70,413.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,466.53 : 128,980.17 = 51,025.41 : x
  2. Step 2: Convert to fraction form
    93,466.53/128,980.17 = 51,025.41/x
  3. Step 3: Cross multiply
    93,466.53x = 128,980.17 × 51,025.41
  4. Step 4: Simplify right side
    93,466.53x = 6,581,266,056.12
  5. Step 5: Solve for x
    x = 6,581,266,056.12/93,466.53
  6. Step 6: Final answer
    x = 70,413.08

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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.