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Finding the Fourth Proportional to 210,733, 316,033.88 and 70,458.82

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Solution

The fourth proportional to 210,733, 316,033.88 and 70,458.82 is: 105,666.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,733 : 316,033.88 = 70,458.82 : x
  2. Step 2: Convert to fraction form
    210,733/316,033.88 = 70,458.82/x
  3. Step 3: Cross multiply
    210,733x = 316,033.88 × 70,458.82
  4. Step 4: Simplify right side
    210,733x = 22,267,374,264.82
  5. Step 5: Solve for x
    x = 22,267,374,264.82/210,733
  6. Step 6: Final answer
    x = 105,666.29

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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.