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Finding the Fourth Proportional to 152,800.14, 210,866.04 and 84,818.46

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Solution

The fourth proportional to 152,800.14, 210,866.04 and 84,818.46 is: 117,050.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,800.14 : 210,866.04 = 84,818.46 : x
  2. Step 2: Convert to fraction form
    152,800.14/210,866.04 = 84,818.46/x
  3. Step 3: Cross multiply
    152,800.14x = 210,866.04 × 84,818.46
  4. Step 4: Simplify right side
    152,800.14x = 17,885,332,779.10
  5. Step 5: Solve for x
    x = 17,885,332,779.10/152,800.14
  6. Step 6: Final answer
    x = 117,050.50

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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.