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Finding the Fourth Proportional to 163,580.66, 245,370.98 and 45,248.93

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Solution

The fourth proportional to 163,580.66, 245,370.98 and 45,248.93 is: 67,873.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,580.66 : 245,370.98 = 45,248.93 : x
  2. Step 2: Convert to fraction form
    163,580.66/245,370.98 = 45,248.93/x
  3. Step 3: Cross multiply
    163,580.66x = 245,370.98 × 45,248.93
  4. Step 4: Simplify right side
    163,580.66x = 11,102,773,184.32
  5. Step 5: Solve for x
    x = 11,102,773,184.32/163,580.66
  6. Step 6: Final answer
    x = 67,873.38

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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.