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Finding the Fourth Proportional to 163,609.65, 245,401.52 and 58,417.65

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Solution

The fourth proportional to 163,609.65, 245,401.52 and 58,417.65 is: 87,621.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,609.65 : 245,401.52 = 58,417.65 : x
  2. Step 2: Convert to fraction form
    163,609.65/245,401.52 = 58,417.65/x
  3. Step 3: Cross multiply
    163,609.65x = 245,401.52 × 58,417.65
  4. Step 4: Simplify right side
    163,609.65x = 14,335,779,812.74
  5. Step 5: Solve for x
    x = 14,335,779,812.74/163,609.65
  6. Step 6: Final answer
    x = 87,621.85

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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.