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Finding the Fourth Proportional to 242,498.37, 334,613.46 and 137,718.75

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Solution

The fourth proportional to 242,498.37, 334,613.46 and 137,718.75 is: 190,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,498.37 : 334,613.46 = 137,718.75 : x
  2. Step 2: Convert to fraction form
    242,498.37/334,613.46 = 137,718.75/x
  3. Step 3: Cross multiply
    242,498.37x = 334,613.46 × 137,718.75
  4. Step 4: Simplify right side
    242,498.37x = 46,082,547,444.38
  5. Step 5: Solve for x
    x = 46,082,547,444.38/242,498.37
  6. Step 6: Final answer
    x = 190,032.40

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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.