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Finding the Fourth Proportional to 191,792.35, 287,688.12 and 51,550.98

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Solution

The fourth proportional to 191,792.35, 287,688.12 and 51,550.98 is: 77,326.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,792.35 : 287,688.12 = 51,550.98 : x
  2. Step 2: Convert to fraction form
    191,792.35/287,688.12 = 51,550.98/x
  3. Step 3: Cross multiply
    191,792.35x = 287,688.12 × 51,550.98
  4. Step 4: Simplify right side
    191,792.35x = 14,830,604,520.36
  5. Step 5: Solve for x
    x = 14,830,604,520.36/191,792.35
  6. Step 6: Final answer
    x = 77,326.36

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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.