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Finding the Fourth Proportional to 125,798.96, 188,692.28 and 46,907.02

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Solution

The fourth proportional to 125,798.96, 188,692.28 and 46,907.02 is: 70,358.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,798.96 : 188,692.28 = 46,907.02 : x
  2. Step 2: Convert to fraction form
    125,798.96/188,692.28 = 46,907.02/x
  3. Step 3: Cross multiply
    125,798.96x = 188,692.28 × 46,907.02
  4. Step 4: Simplify right side
    125,798.96x = 8,850,991,373.81
  5. Step 5: Solve for x
    x = 8,850,991,373.81/125,798.96
  6. Step 6: Final answer
    x = 70,358.22

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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.