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Finding the Fourth Proportional to 153,365.54, 229,970.48 and 70,188.26

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Solution

The fourth proportional to 153,365.54, 229,970.48 and 70,188.26 is: 105,246.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,365.54 : 229,970.48 = 70,188.26 : x
  2. Step 2: Convert to fraction form
    153,365.54/229,970.48 = 70,188.26/x
  3. Step 3: Cross multiply
    153,365.54x = 229,970.48 × 70,188.26
  4. Step 4: Simplify right side
    153,365.54x = 16,141,227,842.56
  5. Step 5: Solve for x
    x = 16,141,227,842.56/153,365.54
  6. Step 6: Final answer
    x = 105,246.77

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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.