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Finding the Fourth Proportional to 163,365.52, 245,061.96 and 45,036.76

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Solution

The fourth proportional to 163,365.52, 245,061.96 and 45,036.76 is: 67,558.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,365.52 : 245,061.96 = 45,036.76 : x
  2. Step 2: Convert to fraction form
    163,365.52/245,061.96 = 45,036.76/x
  3. Step 3: Cross multiply
    163,365.52x = 245,061.96 × 45,036.76
  4. Step 4: Simplify right side
    163,365.52x = 11,036,796,677.65
  5. Step 5: Solve for x
    x = 11,036,796,677.65/163,365.52
  6. Step 6: Final answer
    x = 67,558.91

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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.