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Finding the Fourth Proportional to 125,798.64, 173,598.48 and 69,210

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Solution

The fourth proportional to 125,798.64, 173,598.48 and 69,210 is: 95,507.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,798.64 : 173,598.48 = 69,210 : x
  2. Step 2: Convert to fraction form
    125,798.64/173,598.48 = 69,210/x
  3. Step 3: Cross multiply
    125,798.64x = 173,598.48 × 69,210
  4. Step 4: Simplify right side
    125,798.64x = 12,014,750,800.80
  5. Step 5: Solve for x
    x = 12,014,750,800.80/125,798.64
  6. Step 6: Final answer
    x = 95,507.80

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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.