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Finding the Fourth Proportional to 183,779.58, 253,614.86 and 103,210.50

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Solution

The fourth proportional to 183,779.58, 253,614.86 and 103,210.50 is: 142,429.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,779.58 : 253,614.86 = 103,210.50 : x
  2. Step 2: Convert to fraction form
    183,779.58/253,614.86 = 103,210.50/x
  3. Step 3: Cross multiply
    183,779.58x = 253,614.86 × 103,210.50
  4. Step 4: Simplify right side
    183,779.58x = 26,175,716,508.03
  5. Step 5: Solve for x
    x = 26,175,716,508.03/183,779.58
  6. Step 6: Final answer
    x = 142,429.95

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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.