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Finding the Fourth Proportional to 238,683.93, 357,970.44 and 70,159.17

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Solution

The fourth proportional to 238,683.93, 357,970.44 and 70,159.17 is: 105,222.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,683.93 : 357,970.44 = 70,159.17 : x
  2. Step 2: Convert to fraction form
    238,683.93/357,970.44 = 70,159.17/x
  3. Step 3: Cross multiply
    238,683.93x = 357,970.44 × 70,159.17
  4. Step 4: Simplify right side
    238,683.93x = 25,114,908,954.93
  5. Step 5: Solve for x
    x = 25,114,908,954.93/238,683.93
  6. Step 6: Final answer
    x = 105,222.45

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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.