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Finding the Fourth Proportional to 238,070.89, 328,537.62 and 130,647.67

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Solution

The fourth proportional to 238,070.89, 328,537.62 and 130,647.67 is: 180,293.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,070.89 : 328,537.62 = 130,647.67 : x
  2. Step 2: Convert to fraction form
    238,070.89/328,537.62 = 130,647.67/x
  3. Step 3: Cross multiply
    238,070.89x = 328,537.62 × 130,647.67
  4. Step 4: Simplify right side
    238,070.89x = 42,922,674,560.35
  5. Step 5: Solve for x
    x = 42,922,674,560.35/238,070.89
  6. Step 6: Final answer
    x = 180,293.67

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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.