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Finding the Fourth Proportional to 152,220.60, 228,330.90 and 52,347.60

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Solution

The fourth proportional to 152,220.60, 228,330.90 and 52,347.60 is: 78,521.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,220.60 : 228,330.90 = 52,347.60 : x
  2. Step 2: Convert to fraction form
    152,220.60/228,330.90 = 52,347.60/x
  3. Step 3: Cross multiply
    152,220.60x = 228,330.90 × 52,347.60
  4. Step 4: Simplify right side
    152,220.60x = 11,952,574,620.84
  5. Step 5: Solve for x
    x = 11,952,574,620.84/152,220.60
  6. Step 6: Final answer
    x = 78,521.40

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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.