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Finding the Fourth Proportional to 93,033.20, 139,549.80 and 84,868.40

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Solution

The fourth proportional to 93,033.20, 139,549.80 and 84,868.40 is: 127,302.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,033.20 : 139,549.80 = 84,868.40 : x
  2. Step 2: Convert to fraction form
    93,033.20/139,549.80 = 84,868.40/x
  3. Step 3: Cross multiply
    93,033.20x = 139,549.80 × 84,868.40
  4. Step 4: Simplify right side
    93,033.20x = 11,843,368,246.32
  5. Step 5: Solve for x
    x = 11,843,368,246.32/93,033.20
  6. Step 6: Final answer
    x = 127,302.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.