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Finding the Fourth Proportional to 184,798.92, 255,021.95 and 99,915.98

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Solution

The fourth proportional to 184,798.92, 255,021.95 and 99,915.98 is: 137,883.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,798.92 : 255,021.95 = 99,915.98 : x
  2. Step 2: Convert to fraction form
    184,798.92/255,021.95 = 99,915.98/x
  3. Step 3: Cross multiply
    184,798.92x = 255,021.95 × 99,915.98
  4. Step 4: Simplify right side
    184,798.92x = 25,480,766,281.07
  5. Step 5: Solve for x
    x = 25,480,766,281.07/184,798.92
  6. Step 6: Final answer
    x = 137,883.74

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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.