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Finding the Fourth Proportional to 119,690.58, 179,516.40 and 56,510.58

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Solution

The fourth proportional to 119,690.58, 179,516.40 and 56,510.58 is: 84,756.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,690.58 : 179,516.40 = 56,510.58 : x
  2. Step 2: Convert to fraction form
    119,690.58/179,516.40 = 56,510.58/x
  3. Step 3: Cross multiply
    119,690.58x = 179,516.40 × 56,510.58
  4. Step 4: Simplify right side
    119,690.58x = 10,144,575,883.51
  5. Step 5: Solve for x
    x = 10,144,575,883.51/119,690.58
  6. Step 6: Final answer
    x = 84,756.68

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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.