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Finding the Fourth Proportional to 125,247.97, 172,835.94 and 70,798.96

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Solution

The fourth proportional to 125,247.97, 172,835.94 and 70,798.96 is: 97,699.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,247.97 : 172,835.94 = 70,798.96 : x
  2. Step 2: Convert to fraction form
    125,247.97/172,835.94 = 70,798.96/x
  3. Step 3: Cross multiply
    125,247.97x = 172,835.94 × 70,798.96
  4. Step 4: Simplify right side
    125,247.97x = 12,236,604,802.62
  5. Step 5: Solve for x
    x = 12,236,604,802.62/125,247.97
  6. Step 6: Final answer
    x = 97,699.03

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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.