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Finding the Fourth Proportional to 124,063.62, 171,246.83 and 70,384.32

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Solution

The fourth proportional to 124,063.62, 171,246.83 and 70,384.32 is: 97,152.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,063.62 : 171,246.83 = 70,384.32 : x
  2. Step 2: Convert to fraction form
    124,063.62/171,246.83 = 70,384.32/x
  3. Step 3: Cross multiply
    124,063.62x = 171,246.83 × 70,384.32
  4. Step 4: Simplify right side
    124,063.62x = 12,053,090,473.55
  5. Step 5: Solve for x
    x = 12,053,090,473.55/124,063.62
  6. Step 6: Final answer
    x = 97,152.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.