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Finding the Fourth Proportional to 153,353.76, 230,051.60 and 53,498.98

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Solution

The fourth proportional to 153,353.76, 230,051.60 and 53,498.98 is: 80,255.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,353.76 : 230,051.60 = 53,498.98 : x
  2. Step 2: Convert to fraction form
    153,353.76/230,051.60 = 53,498.98/x
  3. Step 3: Cross multiply
    153,353.76x = 230,051.60 × 53,498.98
  4. Step 4: Simplify right side
    153,353.76x = 12,307,525,947.37
  5. Step 5: Solve for x
    x = 12,307,525,947.37/153,353.76
  6. Step 6: Final answer
    x = 80,255.78

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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.