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Finding the Fourth Proportional to 127,907.30, 176,512.77 and 70,548.64

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Solution

The fourth proportional to 127,907.30, 176,512.77 and 70,548.64 is: 97,357.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,907.30 : 176,512.77 = 70,548.64 : x
  2. Step 2: Convert to fraction form
    127,907.30/176,512.77 = 70,548.64/x
  3. Step 3: Cross multiply
    127,907.30x = 176,512.77 × 70,548.64
  4. Step 4: Simplify right side
    127,907.30x = 12,452,735,424.85
  5. Step 5: Solve for x
    x = 12,452,735,424.85/127,907.30
  6. Step 6: Final answer
    x = 97,357.50

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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.