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Finding the Fourth Proportional to 122,466.40, 183,526.80 and 59,999.20

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Solution

The fourth proportional to 122,466.40, 183,526.80 and 59,999.20 is: 89,914.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,466.40 : 183,526.80 = 59,999.20 : x
  2. Step 2: Convert to fraction form
    122,466.40/183,526.80 = 59,999.20/x
  3. Step 3: Cross multiply
    122,466.40x = 183,526.80 × 59,999.20
  4. Step 4: Simplify right side
    122,466.40x = 11,011,461,178.56
  5. Step 5: Solve for x
    x = 11,011,461,178.56/122,466.40
  6. Step 6: Final answer
    x = 89,914.14

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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.