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Finding the Fourth Proportional to 163,653.40, 245,042.70 and 163,653.40

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Solution

The fourth proportional to 163,653.40, 245,042.70 and 163,653.40 is: 245,042.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,653.40 : 245,042.70 = 163,653.40 : x
  2. Step 2: Convert to fraction form
    163,653.40/245,042.70 = 163,653.40/x
  3. Step 3: Cross multiply
    163,653.40x = 245,042.70 × 163,653.40
  4. Step 4: Simplify right side
    163,653.40x = 40,102,071,000.18
  5. Step 5: Solve for x
    x = 40,102,071,000.18/163,653.40
  6. Step 6: Final answer
    x = 245,042.70

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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.