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Finding the Fourth Proportional to 98,718.40, 148,077.60 and 95,802.40

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Solution

The fourth proportional to 98,718.40, 148,077.60 and 95,802.40 is: 143,703.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,718.40 : 148,077.60 = 95,802.40 : x
  2. Step 2: Convert to fraction form
    98,718.40/148,077.60 = 95,802.40/x
  3. Step 3: Cross multiply
    98,718.40x = 148,077.60 × 95,802.40
  4. Step 4: Simplify right side
    98,718.40x = 14,186,189,466.24
  5. Step 5: Solve for x
    x = 14,186,189,466.24/98,718.40
  6. Step 6: Final answer
    x = 143,703.60

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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.