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Finding the Fourth Proportional to 235,030.97, 352,501.35 and 66,510.60

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Solution

The fourth proportional to 235,030.97, 352,501.35 and 66,510.60 is: 99,753.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,030.97 : 352,501.35 = 66,510.60 : x
  2. Step 2: Convert to fraction form
    235,030.97/352,501.35 = 66,510.60/x
  3. Step 3: Cross multiply
    235,030.97x = 352,501.35 × 66,510.60
  4. Step 4: Simplify right side
    235,030.97x = 23,445,076,289.31
  5. Step 5: Solve for x
    x = 23,445,076,289.31/235,030.97
  6. Step 6: Final answer
    x = 99,753.14

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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.