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Finding the Fourth Proportional to 358,133.80, 537,200.70 and 108,783.40

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Solution

The fourth proportional to 358,133.80, 537,200.70 and 108,783.40 is: 163,175.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,133.80 : 537,200.70 = 108,783.40 : x
  2. Step 2: Convert to fraction form
    358,133.80/537,200.70 = 108,783.40/x
  3. Step 3: Cross multiply
    358,133.80x = 537,200.70 × 108,783.40
  4. Step 4: Simplify right side
    358,133.80x = 58,438,518,628.38
  5. Step 5: Solve for x
    x = 58,438,518,628.38/358,133.80
  6. Step 6: Final answer
    x = 163,175.10

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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.