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Finding the Fourth Proportional to 172,547.52, 238,186.84 and 114,402.48

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Solution

The fourth proportional to 172,547.52, 238,186.84 and 114,402.48 is: 157,922.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,547.52 : 238,186.84 = 114,402.48 : x
  2. Step 2: Convert to fraction form
    172,547.52/238,186.84 = 114,402.48/x
  3. Step 3: Cross multiply
    172,547.52x = 238,186.84 × 114,402.48
  4. Step 4: Simplify right side
    172,547.52x = 27,249,165,199.36
  5. Step 5: Solve for x
    x = 27,249,165,199.36/172,547.52
  6. Step 6: Final answer
    x = 157,922.67

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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.