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Finding the Fourth Proportional to 156,547.42, 216,034.23 and 84,927.22

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Solution

The fourth proportional to 156,547.42, 216,034.23 and 84,927.22 is: 117,198.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,547.42 : 216,034.23 = 84,927.22 : x
  2. Step 2: Convert to fraction form
    156,547.42/216,034.23 = 84,927.22/x
  3. Step 3: Cross multiply
    156,547.42x = 216,034.23 × 84,927.22
  4. Step 4: Simplify right side
    156,547.42x = 18,347,186,578.74
  5. Step 5: Solve for x
    x = 18,347,186,578.74/156,547.42
  6. Step 6: Final answer
    x = 117,198.91

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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.