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Finding the Fourth Proportional to 97,809.98, 146,615.72 and 55,602.84

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Solution

The fourth proportional to 97,809.98, 146,615.72 and 55,602.84 is: 83,347.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,809.98 : 146,615.72 = 55,602.84 : x
  2. Step 2: Convert to fraction form
    97,809.98/146,615.72 = 55,602.84/x
  3. Step 3: Cross multiply
    97,809.98x = 146,615.72 × 55,602.84
  4. Step 4: Simplify right side
    97,809.98x = 8,152,250,420.64
  5. Step 5: Solve for x
    x = 8,152,250,420.64/97,809.98
  6. Step 6: Final answer
    x = 83,347.84

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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.