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Finding the Fourth Proportional to 152,349.96, 228,384.98 and 52,486.40

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Solution

The fourth proportional to 152,349.96, 228,384.98 and 52,486.40 is: 78,681.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,349.96 : 228,384.98 = 52,486.40 : x
  2. Step 2: Convert to fraction form
    152,349.96/228,384.98 = 52,486.40/x
  3. Step 3: Cross multiply
    152,349.96x = 228,384.98 × 52,486.40
  4. Step 4: Simplify right side
    152,349.96x = 11,987,105,414.27
  5. Step 5: Solve for x
    x = 11,987,105,414.27/152,349.96
  6. Step 6: Final answer
    x = 78,681.38

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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.