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Finding the Fourth Proportional to 255,607.65, 352,730.70 and 160,166.97

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Solution

The fourth proportional to 255,607.65, 352,730.70 and 160,166.97 is: 221,025.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,607.65 : 352,730.70 = 160,166.97 : x
  2. Step 2: Convert to fraction form
    255,607.65/352,730.70 = 160,166.97/x
  3. Step 3: Cross multiply
    255,607.65x = 352,730.70 × 160,166.97
  4. Step 4: Simplify right side
    255,607.65x = 56,495,807,444.98
  5. Step 5: Solve for x
    x = 56,495,807,444.98/255,607.65
  6. Step 6: Final answer
    x = 221,025.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.