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Finding the Fourth Proportional to 230,188.13, 317,675.59 and 139,547.91

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Solution

The fourth proportional to 230,188.13, 317,675.59 and 139,547.91 is: 192,585.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,188.13 : 317,675.59 = 139,547.91 : x
  2. Step 2: Convert to fraction form
    230,188.13/317,675.59 = 139,547.91/x
  3. Step 3: Cross multiply
    230,188.13x = 317,675.59 × 139,547.91
  4. Step 4: Simplify right side
    230,188.13x = 44,330,965,484.93
  5. Step 5: Solve for x
    x = 44,330,965,484.93/230,188.13
  6. Step 6: Final answer
    x = 192,585.80

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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.