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Finding the Fourth Proportional to 125,658.95, 173,409.33 and 69,070.32

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Solution

The fourth proportional to 125,658.95, 173,409.33 and 69,070.32 is: 95,317.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,658.95 : 173,409.33 = 69,070.32 : x
  2. Step 2: Convert to fraction form
    125,658.95/173,409.33 = 69,070.32/x
  3. Step 3: Cross multiply
    125,658.95x = 173,409.33 × 69,070.32
  4. Step 4: Simplify right side
    125,658.95x = 11,977,437,914.09
  5. Step 5: Solve for x
    x = 11,977,437,914.09/125,658.95
  6. Step 6: Final answer
    x = 95,317.03

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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.