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Finding the Fourth Proportional to 238,663.95, 358,011.72 and 70,199.34

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Solution

The fourth proportional to 238,663.95, 358,011.72 and 70,199.34 is: 105,303.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,663.95 : 358,011.72 = 70,199.34 : x
  2. Step 2: Convert to fraction form
    238,663.95/358,011.72 = 70,199.34/x
  3. Step 3: Cross multiply
    238,663.95x = 358,011.72 × 70,199.34
  4. Step 4: Simplify right side
    238,663.95x = 25,132,186,456.26
  5. Step 5: Solve for x
    x = 25,132,186,456.26/238,663.95
  6. Step 6: Final answer
    x = 105,303.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.