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Finding the Fourth Proportional to 163,626.40, 245,266.80 and 93,354.40

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Solution

The fourth proportional to 163,626.40, 245,266.80 and 93,354.40 is: 139,933.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,626.40 : 245,266.80 = 93,354.40 : x
  2. Step 2: Convert to fraction form
    163,626.40/245,266.80 = 93,354.40/x
  3. Step 3: Cross multiply
    163,626.40x = 245,266.80 × 93,354.40
  4. Step 4: Simplify right side
    163,626.40x = 22,896,734,953.92
  5. Step 5: Solve for x
    x = 22,896,734,953.92/163,626.40
  6. Step 6: Final answer
    x = 139,933.01

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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.