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Finding the Fourth Proportional to 249,573.89, 374,079.74 and 122,945.85

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Solution

The fourth proportional to 249,573.89, 374,079.74 and 122,945.85 is: 184,280.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,573.89 : 374,079.74 = 122,945.85 : x
  2. Step 2: Convert to fraction form
    249,573.89/374,079.74 = 122,945.85/x
  3. Step 3: Cross multiply
    249,573.89x = 374,079.74 × 122,945.85
  4. Step 4: Simplify right side
    249,573.89x = 45,991,550,987.35
  5. Step 5: Solve for x
    x = 45,991,550,987.35/249,573.89
  6. Step 6: Final answer
    x = 184,280.30

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1.5x scale

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.