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Finding the Fourth Proportional to 145,559.60, 200,824.20 and 118,655.86

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Solution

The fourth proportional to 145,559.60, 200,824.20 and 118,655.86 is: 163,705.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,559.60 : 200,824.20 = 118,655.86 : x
  2. Step 2: Convert to fraction form
    145,559.60/200,824.20 = 118,655.86/x
  3. Step 3: Cross multiply
    145,559.60x = 200,824.20 × 118,655.86
  4. Step 4: Simplify right side
    145,559.60x = 23,828,968,159.81
  5. Step 5: Solve for x
    x = 23,828,968,159.81/145,559.60
  6. Step 6: Final answer
    x = 163,705.92

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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.