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Finding the Fourth Proportional to 116,688.60, 175,032.90 and 98,973.90

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Solution

The fourth proportional to 116,688.60, 175,032.90 and 98,973.90 is: 148,460.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,688.60 : 175,032.90 = 98,973.90 : x
  2. Step 2: Convert to fraction form
    116,688.60/175,032.90 = 98,973.90/x
  3. Step 3: Cross multiply
    116,688.60x = 175,032.90 × 98,973.90
  4. Step 4: Simplify right side
    116,688.60x = 17,323,688,741.31
  5. Step 5: Solve for x
    x = 17,323,688,741.31/116,688.60
  6. Step 6: Final answer
    x = 148,460.85

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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.