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Finding the Fourth Proportional to 144,211.52, 216,316.32 and 39,030.08

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Solution

The fourth proportional to 144,211.52, 216,316.32 and 39,030.08 is: 58,544.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,211.52 : 216,316.32 = 39,030.08 : x
  2. Step 2: Convert to fraction form
    144,211.52/216,316.32 = 39,030.08/x
  3. Step 3: Cross multiply
    144,211.52x = 216,316.32 × 39,030.08
  4. Step 4: Simplify right side
    144,211.52x = 8,442,843,274.91
  5. Step 5: Solve for x
    x = 8,442,843,274.91/144,211.52
  6. Step 6: Final answer
    x = 58,544.86

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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.