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Finding the Fourth Proportional to 238,085.96, 328,547.81 and 130,653.83

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Solution

The fourth proportional to 238,085.96, 328,547.81 and 130,653.83 is: 180,296.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,085.96 : 328,547.81 = 130,653.83 : x
  2. Step 2: Convert to fraction form
    238,085.96/328,547.81 = 130,653.83/x
  3. Step 3: Cross multiply
    238,085.96x = 328,547.81 × 130,653.83
  4. Step 4: Simplify right side
    238,085.96x = 42,926,030,862.62
  5. Step 5: Solve for x
    x = 42,926,030,862.62/238,085.96
  6. Step 6: Final answer
    x = 180,296.36

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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.