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Finding the Fourth Proportional to 201,379.34, 277,943.74 and 153,547.22

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Solution

The fourth proportional to 201,379.34, 277,943.74 and 153,547.22 is: 211,925.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,379.34 : 277,943.74 = 153,547.22 : x
  2. Step 2: Convert to fraction form
    201,379.34/277,943.74 = 153,547.22/x
  3. Step 3: Cross multiply
    201,379.34x = 277,943.74 × 153,547.22
  4. Step 4: Simplify right side
    201,379.34x = 42,677,488,593.40
  5. Step 5: Solve for x
    x = 42,677,488,593.40/201,379.34
  6. Step 6: Final answer
    x = 211,925.85

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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.