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Finding the Fourth Proportional to 127,038.50, 175,300.53 and 73,340.84

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Solution

The fourth proportional to 127,038.50, 175,300.53 and 73,340.84 is: 101,203.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,038.50 : 175,300.53 = 73,340.84 : x
  2. Step 2: Convert to fraction form
    127,038.50/175,300.53 = 73,340.84/x
  3. Step 3: Cross multiply
    127,038.50x = 175,300.53 × 73,340.84
  4. Step 4: Simplify right side
    127,038.50x = 12,856,688,122.65
  5. Step 5: Solve for x
    x = 12,856,688,122.65/127,038.50
  6. Step 6: Final answer
    x = 101,203.09

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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.