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Finding the Fourth Proportional to 152,070.20, 213,248.20 and 152,070.20

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Solution

The fourth proportional to 152,070.20, 213,248.20 and 152,070.20 is: 213,248.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,070.20 : 213,248.20 = 152,070.20 : x
  2. Step 2: Convert to fraction form
    152,070.20/213,248.20 = 152,070.20/x
  3. Step 3: Cross multiply
    152,070.20x = 213,248.20 × 152,070.20
  4. Step 4: Simplify right side
    152,070.20x = 32,428,696,423.64
  5. Step 5: Solve for x
    x = 32,428,696,423.64/152,070.20
  6. Step 6: Final answer
    x = 213,248.20

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These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.