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Finding the Fourth Proportional to 93,915.81, 129,603.56 and 50,896.49

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Solution

The fourth proportional to 93,915.81, 129,603.56 and 50,896.49 is: 70,237.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,915.81 : 129,603.56 = 50,896.49 : x
  2. Step 2: Convert to fraction form
    93,915.81/129,603.56 = 50,896.49/x
  3. Step 3: Cross multiply
    93,915.81x = 129,603.56 × 50,896.49
  4. Step 4: Simplify right side
    93,915.81x = 6,596,366,746.75
  5. Step 5: Solve for x
    x = 6,596,366,746.75/93,915.81
  6. Step 6: Final answer
    x = 70,237.02

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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.