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Finding the Fourth Proportional to 194,802.15, 291,711.15 and 155,436.15

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Solution

The fourth proportional to 194,802.15, 291,711.15 and 155,436.15 is: 232,761.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,802.15 : 291,711.15 = 155,436.15 : x
  2. Step 2: Convert to fraction form
    194,802.15/291,711.15 = 155,436.15/x
  3. Step 3: Cross multiply
    194,802.15x = 291,711.15 × 155,436.15
  4. Step 4: Simplify right side
    194,802.15x = 45,342,458,068.07
  5. Step 5: Solve for x
    x = 45,342,458,068.07/194,802.15
  6. Step 6: Final answer
    x = 232,761.59

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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.