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Finding the Fourth Proportional to 163,902.90, 245,416.95 and 163,902.90

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Solution

The fourth proportional to 163,902.90, 245,416.95 and 163,902.90 is: 245,416.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,902.90 : 245,416.95 = 163,902.90 : x
  2. Step 2: Convert to fraction form
    163,902.90/245,416.95 = 163,902.90/x
  3. Step 3: Cross multiply
    163,902.90x = 245,416.95 × 163,902.90
  4. Step 4: Simplify right side
    163,902.90x = 40,224,549,814.16
  5. Step 5: Solve for x
    x = 40,224,549,814.16/163,902.90
  6. Step 6: Final answer
    x = 245,416.95

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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.