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Finding the Fourth Proportional to 127,354.04, 175,745.08 and 70,763.96

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Solution

The fourth proportional to 127,354.04, 175,745.08 and 70,763.96 is: 97,652.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,354.04 : 175,745.08 = 70,763.96 : x
  2. Step 2: Convert to fraction form
    127,354.04/175,745.08 = 70,763.96/x
  3. Step 3: Cross multiply
    127,354.04x = 175,745.08 × 70,763.96
  4. Step 4: Simplify right side
    127,354.04x = 12,436,417,811.32
  5. Step 5: Solve for x
    x = 12,436,417,811.32/127,354.04
  6. Step 6: Final answer
    x = 97,652.32

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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.