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Finding the Fourth Proportional to 152,151.40, 228,248.70 and 46,959.40

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Solution

The fourth proportional to 152,151.40, 228,248.70 and 46,959.40 is: 70,445.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,151.40 : 228,248.70 = 46,959.40 : x
  2. Step 2: Convert to fraction form
    152,151.40/228,248.70 = 46,959.40/x
  3. Step 3: Cross multiply
    152,151.40x = 228,248.70 × 46,959.40
  4. Step 4: Simplify right side
    152,151.40x = 10,718,422,002.78
  5. Step 5: Solve for x
    x = 10,718,422,002.78/152,151.40
  6. Step 6: Final answer
    x = 70,445.77

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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.