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Finding the Fourth Proportional to 125,792.82, 188,683.08 and 46,900.90

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Solution

The fourth proportional to 125,792.82, 188,683.08 and 46,900.90 is: 70,349.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,792.82 : 188,683.08 = 46,900.90 : x
  2. Step 2: Convert to fraction form
    125,792.82/188,683.08 = 46,900.90/x
  3. Step 3: Cross multiply
    125,792.82x = 188,683.08 × 46,900.90
  4. Step 4: Simplify right side
    125,792.82x = 8,849,406,125.85
  5. Step 5: Solve for x
    x = 8,849,406,125.85/125,792.82
  6. Step 6: Final answer
    x = 70,349.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.