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Finding the Fourth Proportional to 98,963,766.80, 148,193,707.80 and 94,428,803.60

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Solution

The fourth proportional to 98,963,766.80, 148,193,707.80 and 94,428,803.60 is: 141,402,808.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,963,766.80 : 148,193,707.80 = 94,428,803.60 : x
  2. Step 2: Convert to fraction form
    98,963,766.80/148,193,707.80 = 94,428,803.60/x
  3. Step 3: Cross multiply
    98,963,766.80x = 148,193,707.80 × 94,428,803.60
  4. Step 4: Simplify right side
    98,963,766.80x = 13,993,754,528,601,988
  5. Step 5: Solve for x
    x = 13,993,754,528,601,988/98,963,766.80
  6. Step 6: Final answer
    x = 141,402,808.13

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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.